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Australia’s 'Environmental Condition Score' for 2019: Less Than 1 out of 10
By Albert Van Dijk, Luigi Renzullo, Marta Yebra and Shoshana Rapley
2019 was the year Australians confronted the fact that a healthy environment is more than just a pretty waterfall in a national park; a nice extra we can do without. We do not survive without air to breathe, water to drink, soil to grow food and weather we can cope with.
Every year, we collate a vast number of measurements on the state of our environment: weather, oceans, fire, water, soils, vegetation, population pressure and biodiversity. The data is collected in many different ways: by satellites, field stations, surveys and so on.
We process this data into several indicators of environmental health at both national and regional levels.
The report for 2019, released Sunday, makes for grim reading. It reveals the worst environmental conditions in many decades, perhaps centuries, and confirms the devastating damage global warming and mismanagement are wreaking on our natural resources.
Immediate action is needed to put Australia's environment on a course to recovery.
Environment Scores in the Red
From the long list of environmental indicators we report on, we use seven to calculate an Environmental Condition Score (ECS) for each region, as well as nationally.
These seven indicators – high temperatures, river flows, wetlands, soil health, vegetation condition, growth conditions and tree cover – are chosen because they allow a comparison against previous years. In Australia's dry environment, they tend to move up and down together, which gives the score more robustness. See the interactive graphic below to find the score for your region.
Environmental condition scores by local government area, and values for each of the seven indicators. See more data on www.ausenv.online.
Nationally, Australia's environmental condition score fell by 2.3 points in 2019, to a very low 0.8 out of ten. This is the lowest score since at least 2000 – the start of the period for which we have detailed data.
Condition scores declined in every state and territory. The worst conditions were seen in the Northern Territory (0.2 points), New South Wales (0.3 points) and Western Australia (0.4 points), with the latter also recording the greatest decline from the previous year (-5.7 points).
What is most striking is that almost the entire nation suffered terrible environmental conditions in 2019. In each case, the changes can be traced back to dry, hot conditions. Only parts of Queensland escaped the drought.
Comparing local government areas, the worst conditions occurred in Armidale and Gwydir in northern NSW. In contrast, Winton and Townsville in Queensland escaped the overall poor conditions, thanks to the beneficial impact of high rainfall early in the year – although those same events also caused floods killing around 600,000 livestock.
Extreme Drought and Extreme Heat
So what exactly happened in Australia in 2019 to cause such widespread environmental damage? There were several causes.
Across most of Australia, the environment was already reeling from poor conditions in 2018. Also, cool temperatures in the Indian Ocean delayed the onset of the monsoon in northern Australia and reduced the flow of moisture to the rest of the continent, creating hot and dry conditions. Average rainfall was a mere 229 mm across the continent, the lowest in more than 119 years and probably longer than that.
The heat was also extraordinary. The average number of days above 35°C across the country was 36% more than the average for the 19 years prior.
Values for 15 environmental indicators in 2015, expressed as the change from average 2000-2018 conditions. Similar to national economic indicators, they provide a summary but also hide regional variations, complex interactions and long-term context. ANU Centre for Water and Landscape Dynamics
In eastern Australia, arid and hot conditions pushed farmers and ecosystems deeper into drought. In many regions, dryness and declining protection from wind erosion created the worst soil conditions in at least 20 years. Consequences included several dust storms and widespread dieback of forests, especially in NSW.
The severe drought also affected inland water systems, especially the Darling River and its tributaries. Town water supply reservoirs ran out of water, the rivers stopped flowing, and the heat turned the remaining pools into death traps for fish.
Other rivers in northwest Australia, southeast Queensland and northeast NSW also saw their worst flows in 20 years.
Of course, 2019 will be remembered as the year of unprecedented bushfires. Nationally, the total area burnt was not unusual, not even when the fires of early 2020 are included. But this is only because fire activity was much below average in northern Australia, where ongoing dry conditions left little vegetation to burn.
The extent of forest fires last year was unprecedented, however. As predicted well in advance, the tinder-dry forests in eastern Australia provided the fuel for a dramatic fire season that started in September. Between then and the first month of 2020, vast areas of forest in New South Wales, eastern Victoria, Kangaroo Island and the Australian Capital Territory went up in flames.
The fires destroyed more than 3,000 homes and directly killed 33 people. Indirectly, the most hazardous air quality in living memory created major but poorly known health impacts. The fires also damaged the reliability of drinking water supplies.
The ecological damage was also profound. Fires raged through ecosystems poorly adapted to fire, from rainforests in tropical Queensland to alpine vegetation in Tasmania and the Snowy Mountains of NSW. It remains to be seen whether they can recover. Across NSW, 35% of rainforests were turned to cinders.
About 191 species of animals and plants saw more than one-third of their living area burnt, among them 52 species that were already threatened. Thankfully, the last remaining stands of the prehistoric Wollemi pine and the rare Nightcap Oak were saved.
Even before the fires, 40 plant and animal species were added to the threatened list in 2019, bringing the total to 1890. Following the fires, more species are likely to be added in 2020.
We're Not Doomed Yet
Last year was neither an outlier nor the "new normal" – it will get worse.
Greenhouse gas concentrations continued to increase rapidly in 2019, causing the temperature of the atmosphere and oceans to soar. Australia's population also continued to grow quickly and with it, greenhouse gas emissions and other pollution, and our demand for land to build, mine and farm on.
Whether we want to hear it or not, last year represented another step towards an ever-more dismal future, unless we take serious action.
The current coronavirus pandemic shows that as individuals, and collectively, we can take dramatic action once we acknowledge the urgency of a threat. By comparison, addressing environmental decline will cost less, whereas the long-term costs of not acting will be far greater.
There is much we can do. In the short term, we can help our natural ecosystems recover from the drought and fires. Government agencies and land owners can cull and manage invasive species in fire-affected areas – from weeds, to foxes, cats and feral horses – and stop damaging logging in fire-affected areas.
Individuals can do their bit. We can donate money or time to organizations committed to helping ecosystems recover. Record what you see on bushwalks to help environmental managers monitor and assist ecological recovery.
But the damage of climate change is not limited to natural environments. We must get serious about curbing greenhouse emissions. Humanity has the tools, technology and ingenuity to do it and Australia, one of the countries worst affected by climate change, should lead the world.
Beyond that, individuals can also make a contribution: recycle and reuse rather than buy new, choose low-emission and renewable energy technology and reduce waste – it can save money even now. Let governments and politicians hear your voice. Try to convince friends and family that things need to change.
In the long term, we must find a more balanced relationship with the natural world, understanding that our own survival will depend on it.
The full report and webinar are available here.
Albert Van Dijk is a professor of water and landscape dynamics at the Fenner School of Environment & Society, Australian National University.
Luigi Renzullo is a senior research fellow at Australian National University.
Marta Yebra is a senior lecturer at Australian National University.
Shoshana Rapley is a research assistant at Australian National University.
Disclosure statements: The Australia's Environment report is fully self-funded by ANU. Albert Van Dijk receives or has previously received funding from several government-funded agencies, grant schemes and programs.
Luigi Renzullo receives receives or has previously received funding from several government-funded agencies, grant schemes and programs.
Marta Yebra receives or has previously received funding from several government-funded agencies, grant schemes and programs.
Shoshana Rapley does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond her academic appointment.
Reposted with permission from The Conversation.
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By Samantha Hepburn
In the expansion of its iron ore mine in Western Pilbara, Rio Tinto blasted the Juukan Gorge 1 and 2 — Aboriginal rock shelters dating back 46,000 years. These sites had deep historical and cultural significance.
The destruction of a significant Aboriginal site is not an isolated incident. Puutu Kunti Kurrama And Pinikura Aboriginal Corporation
Not an Isolated Incident<p>The history of large developments destroying Indigenous heritage sites is, tragically, long.</p><p>A $2.1 billion light rail line in Sydney, completed last year, <a href="https://www.smh.com.au/national/nsw/this-is-a-tragic-loss-sydney-light-rail-construction-destroyed-heritage-site-20190322-p516qk.html" target="_blank">destroyed a site</a> of considerable significance.</p><p>More than 2,400 stone artifacts were unearthed in a small excavated area. It indicated Aboriginal people had used the area between 1788 and 1830 to manufacture tools and implements from flint brought over to Australia on British ships.</p><p>Similarly, <a href="https://www.theguardian.com/environment/2018/aug/27/the-rocks-remember-the-fight-to-protect-burrup-peninsulas-rock-art" target="_blank">ancient rock art</a> on the Burrup Peninsula in north-western Australia is under increasing threat from a gas project. The site contains more than one million rock carvings (petroglyphs) across 36,857 hectares.</p><p>This area is under the custodianship of Ngarluma people and four other traditional owners groups: the Mardudhunera, the Yaburara, the Yindjibarndi and the Wong-Goo-Tt-Oo.</p><p>But a <a href="https://www.aph.gov.au/Parliamentary_Business/Committees/Senate/Environment_and_Communications/BurrupPeninusla/Report" target="_blank">Senate inquiry</a> revealed emissions from adjacent industrial activity may significantly damage it.</p><p><span></span>The West Australian government is <a href="https://www.theguardian.com/artanddesign/2020/jan/29/australia-lodges-world-heritage-submission-for-50000-year-old-burrup-peninsula-rock-art" target="_blank">seeking world heritage listing</a> to try to increase protection, as the regulatory frameworks at the national and state level aren't strong enough. Let's explore why.</p>
What Do the Laws Say?<p>The recently renamed federal Department of Agriculture, Water and the Environment is responsible for listing new national heritage places, and regulating development actions in these areas.</p><p>At the federal level, the Environment Protection and Biodiversity Conservation Act 1999 (<a href="http://www.austlii.edu.au/cgi-bin/viewdb/au/legis/cth/consol_act/epabca1999588/" target="_blank">EPBC Act</a>) provides a legal framework for their management and protection. It is an offence to impact an area that has national heritage listing.</p><p>But many ancient Aboriginal sites have no national heritage listing. For the recently destroyed Juurkan gorge, the true archaeological significance was uncovered <em>after</em> consent had been issued and there were no provisions to reverse or amend the decision once this new information was discovered.</p><p>Where a site has no national heritage listing, and federal legislation has no application, state laws apply.</p><p>For the rock shelters in the Western Pilbara, Rio Tinto was abiding by Western Australia's <a href="http://www.austlii.edu.au/cgi-bin/viewdb/au/legis/wa/consol_act/aha1972164/" target="_blank">Aboriginal Heritage Act 1972</a> — which is now nearly 50 years old.</p>
No Consultation With Traditional Owners<p>The biggest concern with this act is there's no statutory requirement ensuring traditional owners be consulted.</p><p>This means traditional owners are left out of vital decisions regarding the management and protection of their cultural heritage. And it confers authority upon a committee that, in the words of a <a href="https://www.dplh.wa.gov.au/getmedia/11dd5b41-fcf9-4216-a1ac-06ece672c087/AH-Review-Position-Comparison-for-Aboriginal-People" target="_blank">discussion paper</a>, "lacks cultural authority."</p>
Weak in Other Jurisdictions<p>The WA Aboriginal Heritage Act 1972 is <a href="https://www.dplh.wa.gov.au/aha-review" target="_blank">under review</a>. The proposed reforms seek to abolish the committee, ensuring future decisions on Aboriginal cultural heritage give appropriate regard to the views of the traditional Aboriginal owners.</p><p><span></span>NSW is the only state with no stand-alone Aboriginal heritage legislation. However, a <a href="https://www.parliament.nsw.gov.au/researchpapers/Documents/aborigines-land-and-national-parks-in-nsw/02-97.pdf" target="_blank">similar regulatory framework</a> to WA applies in NSW under the National Parks and Wildlife Act 1974.</p><p>There, if a developer is likely to impact cultural heritage, they must apply for an Aboriginal Heritage Impact Permit. The law requires "regard" to be given to the interests of Aboriginal owners of the land, but this vague provision does not mandate consultation.</p><p>What's more, the burden of proving the significance of an Aboriginal object depends upon external statements of significance. But Aboriginal people, not others, should be responsible for determining the cultural significance of an object or area.</p><p>As in WA, the NSW regulatory framework is weak, opening up the risk for economic interests to be prioritized over damage to cultural heritage.</p>
Outdated Laws<p>The federal minister has discretion to assess whether state or territory laws are already effective.</p><p>If they decide state and territory laws are ineffective and a cultural place or object is under threat, then the federal <a href="http://www.austlii.edu.au/cgi-bin/viewdb/au/legis/cth/consol_act/aatsihpa1984549/" target="_blank">Aboriginal and Torres Strait Islander Heritage Protection Act 1984</a> can be used.</p><p>But this act is also weak. It was first implemented as an interim measure, intended to operate for two years. It has now been in operation for 36 years.</p><p>In fact, <a href="http://ymac.org.au/wp-content/uploads/2013/04/Extracts-from-Evatt-Review-of-the-Aboriginal-and-Torres-Strait-Islander-Heritage-Protection-Act-1984.pdf" target="_blank">a 1995 report</a> assessed the shortcomings of the Aboriginal and Torres Strait Islander Heritage Protection Act.</p><p>It recommended minimum standards be put in place. This included ensuring any assessment of Aboriginal cultural significance be made by a properly qualified body, with relevant experience.</p><p>It said the role of Aboriginal people should be appropriately recognized and statutorily endorsed. Whether an area or site had particular significance according to Aboriginal tradition should be regarded as a subjective issue, determined by an assessment of the degree of intensity of belief and feeling of Aboriginal people.</p><p><span></span>Twenty-five years later, this is yet to happen.</p>
By Tara Lohan
The first official tallies are in: Coronavirus-related shutdowns helped slash daily global emissions of carbon dioxide by 14 percent in April. But the drop won't last, and experts estimate that annual emissions of the greenhouse gas are likely to fall only about 7 percent this year.
What lessons can we learn from your research to guide us right now, in what seems like a really critical time in the fight to halt climate change?<p>What a lot of people don't understand is that to limit warming to 1.5 degrees Celsius, we actually have to reduce emissions by around 7-8 percent <em>every single year</em> from now until 2030, which is what the emissions drop is likely to be this year because of the COVID-19 crisis.</p><p>So think about what it took to reduce emissions by that much and think about how we have to do that <em>every single year</em>.</p><p>It doesn't mean that it's going to be some big sacrifice, but it does mean that we need government policy, particularly at the federal level, because state policy can only go so far. We've been living off state policy for more than three decades now and we need our federal government to act.</p>
Where are we now, in terms of our progress on renewable energy and how far we need to go?<p>A lot of people think renewable energy is growing "so fast" and it's "so amazing." But first of all, during the coronavirus pandemic, the renewable energy industry is actually doing very poorly. It's losing a lot of jobs. And secondly, we were not moving fast enough even before the coronavirus crisis, because renewable energy in the<em> best </em>year grew by only 1.3 percent.</p><p>Right now we're at around 36-37 percent clean energy. That includes nuclear, hydropower and new renewables like wind, solar and geothermal. But hydropower and nuclear aren't growing. Nuclear supplies about 20 percent of the grid and hydro about 5 percent depending on the year. And then the rest is renewable. So we're at about 10 percent renewables, and in the best year, we're only adding 1 percent to that.</p><p>Generally, we need to be moving about eight times faster than we've been moving in our best years. (To visualize this idea, I came up with the <a href="https://grist.org/fix/how-quickly-do-we-need-to-ramp-up-renewables-look-to-the-narwhal/" target="_blank">narwhal curve</a>.)</p>
How do we overcome these fundamental issues of speed and scale?<p>We need actual government policy that supports it. We have never had a clean electricity standard or renewable portfolio standard at the federal level. That's the main law that I write all about at the state level. Where those policies are in place, a lot of progress has been made — places like California and even, to a limited extent, Texas.</p><p>We need our federal government to be focusing on this crisis. Even the really small, piecemeal clean-energy policies we have at the federal level are going away. In December Congress didn't extend the investment tax credit and the production tax credit, just like they didn't extend or improve the electric vehicle tax credit.</p><p>And now during the COVID-19 crisis, a lot of the money going toward the energy sector in the CARES Act is going toward propping up <a href="https://www.bloomberg.com/news/articles/2020-05-15/-stealth-bailout-shovels-millions-of-dollars-to-oil-companies" target="_blank">dying fossil fuel companies</a> and not toward supporting the renewable energy industry.</p><p>So we are moving in the wrong direction.</p>
Clean energy hasn’t always been such a partisan issue. Why did it become so polarizing?<p>What I argue in my book, with evidence, is that electric utilities and fossil fuel companies have been intentionally driving polarization. And they've done this in part by running challengers in primary elections against Republicans who don't agree with them.</p><p>Basically, fossil fuel companies and electric utilities are telling Republicans that you can't hold office and support climate action. That has really shifted the incentives within the party in a very short time period.</p><p>It's not like the Democrats have moved so far left on climate. The Democrats have stayed in pretty much the same place and the Republicans have moved to the right. And I argue that that's because of electric utilities and fossil fuel companies trying to delay action.</p>
And their reason for doing that is simply about their bottom line and keeping their share of the market?<p>Exactly. You have to remember that delay and denial on climate change is a profitable enterprise for fossil fuel companies and electric utilities. The longer we wait to act on the crisis, the more money they can make because they can extract more fossil fuels from their reserves <em>and</em> they can pay more of their debt at their coal plants and natural gas plants. So delay and denial is a money-making business for fossil fuel companies and electric utilities.</p>
There’s been a lot of research, reporting and even legal action in recent years about the role of fossil fuel companies in discrediting climate science. From reading your book, it seems that electric utilities are just as guilty. Is that right?<p>Yes, far less attention has been paid to electric utilities, which play a really critical role. They preside over legacy investments into coal and natural gas, and some of them continue to propose building new natural gas.</p><p>They were just as involved in promoting climate denial in the 1980s and 90s as fossil fuel companies, as I document in my book. And some of them, like Southern Company, have continued to promote climate denial to basically the present day.</p><p>But that's not the only dark part of their history.</p><p>Electric utilities promoted energy systems that are pretty wasteful. They built these centralized fossil fuel power plants rather than having co-generation plants that were onsite at industrial locations where manufacturing is happening, and where you need both steam heat — which is a waste product from electricity — and the electricity itself. That actually created a lot of waste in the system and we burned a lot more fossil fuels than if we had a decentralized system.</p><p><span></span>The other thing they've done in the more modern period is really resisted the energy transition. They've resisted renewable portfolio standards and net metering laws that allow for more clean energy to come onto the grid. They've tried to roll them back. They've been successful in some cases, and they've blocked new laws from passing when targets were met.</p>
You wrote that, “Partisan polarization on climate is not inevitable — support could shift back to the bipartisanship we saw before 2008.” What would it take to actually make that happen?<p>Well, on the one hand, you need to get the Democratic Party to care more about climate change and to really understand the stakes. And if you want to do that, I think the work of the <a href="https://www.justicedemocrats.com/" target="_blank">Justice Democrats</a> is important. They have primary-challenged incumbent Democrats who don't care enough about climate change. That is how Alexandria Ocasio-Cortez was elected. She was a primary challenger and she has really championed climate action in the Green New Deal.</p><p>The other thing is that the public supports climate action. Democrats do in huge numbers. Independents do. And to some extent Republicans do, particularly young Republicans.</p><p>So communicating the extent of public concern on these issues is really important because, as I've shown in other research, politicians don't know how much public concern there is on climate change. They dramatically underestimate support for climate action.</p><p>I think the media has a really important role to play because it's very rare that a climate event, like a disaster that is caused by climate change, is actually linked to climate change in media reporting.</p><p>But people might live through a wildfire or a hurricane or a heat wave, but nobody's going to tell them through the media that this is climate change. So we really need our reporters to be doing a better job linking people's lived experiences to climate change.</p>
With economic stimulus efforts ramping up because of the COVD-19 pandemic, are we in danger of missing a chance to help boost a clean energy economy?<p>I think so many people understand that stimulus spending is an opportunity to rebuild our economy in a way that creates good-paying jobs in the clean-energy sector that protects Americans' health.</p><p>We know that <a href="https://www.bbc.com/future/article/20200427-how-air-pollution-exacerbates-covid-19" target="_blank">breathing dirty air</a> makes people more likely to die from COVID-19. So this is a big opportunity to create an economy that's more just for all Americans.</p><p>But unfortunately, we really are not pivoting toward creating a clean economy, which is what we need to be doing. This is an opportunity to really focus on the climate crisis because we have delayed for more than 30 years. There is not another decade to waste.</p>
By Adrienne Santos-Longhurst
Plants are awesome. They brighten up your space and give you a living thing you can talk to when there are no humans in sight.
Turns out, having enough of the right plants can also add moisture (aka humidify) indoor air, which can have a ton of health benefits.
Spider Plant<p>Spider plants are one of the best plants you can buy for increasing indoor humidity, according to <a href="https://krex.k-state.edu/dspace/bitstream/handle/2097/35195/803.full.pdf?sequence=1&isAllowed=y" target="_blank">research</a> from 2015.</p><p>Even NASA agrees. It did a <a href="https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930073077.pdf" target="_blank">study</a> in the '80s that found spider plants are able to remove toxins like carbon monoxide and formaldehyde from indoor air.</p><p>Perhaps the coolest part of all? They're super easy to grow.</p><p>Their stems grow long. A hanging container is best so the plant has room to cascade.</p><p>Spider plants grow best in bright, indirect sunlight, so try to keep them near a window that gets a lot of natural light. Aim to keep the soil moist, but not soggy.</p>
Jade Plant<p><a href="https://krex.k-state.edu/dspace/bitstream/handle/2097/35195/803.full.pdf?sequence=1&isAllowed=y" target="_blank">Research</a> shows that a jade plant can increase the relative humidity in a room. Most of its evapotranspiration happens in the dark, making it a good option for increasing humidity during darker months of the year.</p><p>To help keep a jade plant thriving, keep it in a bright spot, like near a south-facing window. As for watering, how much you give it depends on the time of the year.</p><p>The spring and summer is its active growing time, so you'll want to water it deeply, and wait till the soil is almost dry to water it again.</p><p>In the fall and winter, growing slows or stops, so you can let the soil dry completely before watering again.</p>
Areca Palm<p>Palms tend to be great for adding humidity, and the areca palm — also called the butterfly or yellow palm — is no exception.</p><p>They're relatively low maintenance, but they do require lots of sun and moist soil. Keep them near a window that gets a lot of sunlight. Water them enough to keep their soil moist, especially in the spring and summer.</p><p>They can grow up to 6 or 7 feet tall and don't like crowded roots, so you'll need to repot it every couple of years as it grows.<span></span></p>
English Ivy<p>English ivy (<em>Hedera helix</em>) is easy to care for and gives you a lot of bang for your buck because it grows like crazy.</p><p>It's also been <a href="https://link.springer.com/article/10.1007/s11869-018-0618-9" target="_blank">shown</a> to have one of the highest transpiration rates. This makes it a good option for increasing relative humidity AND removing carbon monoxide from indoor air.</p><p>A hanging basket is best for this small-leafed ivy. It'll grow as long and lush as you let it. To keep it controlled, just prune to the size you want.</p><p>English ivy likes bright light and soil that's slightly dry. Check the soil to make sure it's almost dry before watering again.</p>
Lady Palm<p>The lady palm is a dense plant that's low maintenance when it comes to sunlight and water needs.</p><p>It does best in bright light, but is adaptable enough to grow in low-light spots, too, though at a slightly slower pace.</p><p>Lady palms like to be watered thoroughly once the surface is dry to the touch, so always check the soil before watering.</p>
Rubber Plant<p>The rubber plant isn't as finicky as other indoor tropical plants, making it really easy to care for. Rubber plants also have a high transpiration rate and are great for helping clean indoor air.</p><p>Rubber plants like partial sun to partial shade. They can handle cooler temps and drier soil (perfect for people who tend to kill every plant they bring into the home).</p><p>Let the soil dry before watering again. In the fall and winter months, you'll be able to cut watering in half.</p>
Boston Fern<p>The Boston fern has air-purifying properties that add moisture and remove toxins from indoor air. Did we mention they're lush and gorgeous, too?</p><p>To keep a Boston fern healthy and happy, water it often enough so the soil is always moist, and make sure it gets a lot of indirect sunlight by placing it in a bright part of the room.</p><p>Occasionally misting the fern's leaves with a spray bottle of water can help keep it perky when you have the heat blasting or fireplace going.</p>
Peace Lily<p>Peace lilies are tropical evergreens that produce a white flower in the summer. They usually grow up to around 16 inches tall, but can grow longer in the right conditions.</p><p>A peace lily feels most at home in a room that's warm and gets a lot of sunlight. It takes its soil moist.</p><p>No need to stress if you forget to water it on occasion. It'll handle that better than being overwatered.</p><p>If you have cats, you'll want to keep this plant out of reach or avoid it. Lilies are <a href="https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/lily" target="_blank">toxic</a> to our feline friends.</p>
Golden Pothos<p>Golden pothos is also called devil's ivy and devil's vine because it's pretty much impossible to kill. You can forget to water it and even forget to give it light for long periods, and it'll still be green whenever you finally remember.</p><p>That said, it thrives in brighter spaces and does like some water. Let it dry out between watering.</p><p>Its trailing stems grow as long as you want it to, so it's perfect for hanging planters or setting on a higher shelf.</p><p>The higher the better if you have pets, though, since some of its compounds are toxic to dogs and cats… and horses, if you happen to live in a big apartment with really relaxed pet rules.</p>
Dwarf Date Palm<p>Dwarf date palms are also called pygmy date palms. They're perfect as far as plants go. They're basically mini versions of the palm trees you see on tropical postcards.</p><p>They can help keep a room's air clean and increase humidity, and are super easy to maintain.</p><p>They can grow to be anywhere from 6 to 12 feet tall with bright, indirect sunlight and moist — not soaking wet — soil.</p><p>They also prefer a slightly toasty environment, so avoid placing them near a drafty window or source of cold.</p>
Corn Plant<p>The corn plant won't give you an endless supply of corn — just leaves that look like corn leaves and the occasional bloom if you treat it nice. It also helps humidify indoor air and remove toxic vapors.</p><p>Maintenance is easy. Let the top inch or so of soil dry before watering, and keep in a well-lit room where it can get a good amount of indirect sunlight.</p>
Parlor Palm<p>This is another high-transpiration palm that doesn't take any real skill to grow. You're welcome.</p><p>Parlor palms like partial sun, but can manage in full shade, too, as long as you keep the soil consistently moist with a couple of waterings per week.</p><p>To help it grow, make sure it's got enough space in the pot by sizing up every year or two, or whenever it starts to look crowded.</p>
Plants to Avoid<p>Plants are generally good for your environment, but some do have the opposite effect when it comes to humidity.</p><p>These plants tend to draw moisture <em>in</em> instead of letting it out. This doesn't happen instantly, and a couple of plants won't have enough of an effect to really zap the moisture out of your home.</p><p>Still, if you're looking for maximum moisture, you may want to limit these.</p><p>Plants that fall into this category are those that require very little water to survive. Think plants that you find in dry climates, like the desert.</p><p>These include plants like:</p><ul><li>cactuses</li><li>succulents</li><li>aloe vera</li><li>euphorbia, also called "spurge"</li></ul>
Pro Tips<p>If you really want to take advantage of all the moisture and purification these plants offer, here are some tips to consider:</p><ul><li><strong>Size matters.</strong> Plants with bigger leaves typically have a higher transpiration rate, so go bigger to humidify and purify a room.</li><li><strong>The more the merrier.</strong> Have at least two good-sized plants per 100 square feet of space — more is even better.</li><li><strong>Keep 'em close.</strong> Group your plants closer together to increase the humidity in the air and help your plants thrive, too.</li><li><strong>Add pebbles.</strong> If you're dealing with dry indoor air, put your plants on a pebble tray with water to create more humidity for your plants <em>and</em> your room.</li></ul>
The Bottom Line<p>If you're looking to combat dry air in your home and have some space, consider stocking up on some houseplants. Just keep in mind that this is one area where less definitely isn't more.</p><p>For a noticeable impact on the air in your home, try to have at least several plants in each room. If you only have room for a few plants, try to go for larger ones with big leaves.</p>
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