Several West Coast Cities Have the World's Worst Air
The wildfires raging across the West Coast have made the air quality so bad in several U.S. cities that they rank among the worst in the world. In fact, the air quality in Portland, Oregon was so bad on Sunday that it went off the charts when it passed 500 on an air quality index. Anything in the 300 to 500 range is hazardous to health, according to Oregon Live.
Those staggering numbers put Portland squarely in the number one position as having the world's worst air quality.
"It's as bad as a place can be," said Dr. Jennifer Vines, a Multnomah County Health officer. Portland is in Multnomah County.
Other large cities on the West Coast also made the top 10, including Seattle, San Francisco and Los Angeles, which ranked third, sixth and eighth, respectively, according to the Los Angeles Times.
In Washington state, the air quality was so bad that the instruments used for reading air quality broke down, rejecting the numbers as unreliable, according to The New York Times.
Andy Wineke, a spokesman for the Washington Department of Ecology, said on Sunday that a handful of reading points had ceased reporting data because automated quality control checks said the astronomical readings meant the data was unreliable, according to The New York Times.
"There's some trigger in the quality-control check that said the sustained readings were high," Wineke said. Officials were trying to change the system to allow the data so it could be included on the state's air-monitoring maps.
The smoke from the wildfires made the air extremely dangerous and life-threatening for people with respiratory conditions. In some places, residents said they could not see more than 50 feet in front of them, according to The Washington Post. While residents were instructed to stay indoors, some were coughing and choking while inside.
"The sun doesn't seem to rise or set. The sky gets a little bit brighter and a little bit darker and that's how you know the day is starting or ending," said Eileen Quigley, founder and executive director of the Clean Energy Transition Institute in Seattle, as The Washington Post reported.
Vines told The New York Times that the health systems on the West Coast that are already strained by the coronavirus are seeing an uptick in people coming in who are having trouble breathing. Of course, the people most vulnerable to the insidious effects of the smoke are the most vulnerable to the coronavirus as well.
"It's just an unfortunate overlap," Vines said of the confluence of the virus and the fires, according to The New York Times.
Oregon Senator Jeff Merkley told ABC News that he drove 600 miles up and down the Oregon coast and could not escape the smoke. In the same broadcast, Washington Governor Jay Inslee said, "We have a blowtorch over our states in the West, which is climate change."
The pall of smoke that has shrouded Portland and its surrounding areas has reduced visibility so much that it's dangerous to drive and difficult for rescue crews and fire services to navigate bridges and roads.
"Our challenges remain reduced visibility, limiting our aerial reconnaissance, and rapidly changing fire conditions," Clackamas County fire officials said in a statement Saturday, as The Washington Post reported.
Some moisture and rain is expected to bring relief Tuesday and dying winds raise hope that firefighters will soon be able to contain the blazes engulfing the West Coast, according to The Washington Post.
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- Redwoods are the world's tallest trees.
- Now scientists have discovered they are even bigger than we thought.
- Using laser technology they map the 80-meter giants.
- Trees are a key plank in the fight against climate change.
They are among the largest trees in the world, descendants of forests where dinosaurs roamed.
Pixabay / Simi Luft<p><span>Until recently, measuring these trees meant scaling their 80 meter high trunks with a tape measure. Now, a team of scientists from University College London and the University of Maryland uses advanced laser scanning, to create 3D maps and calculate the total mass.</span></p><p>The results are striking: suggesting the trees <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">may be as much as 30% larger than earlier measurements suggested.</a> Part of that could be due to the additional trunks the Redwoods can grow as they age, <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">a process known as reiteration</a>.</p>
New 3D measurements of large redwood trees for biomass and structure. Nature / UCL<p>Measuring the trees more accurately is important because carbon capture will probably play a key role in the battle against climate change. Forest <a href="https://www.wri.org/blog/2020/09/carbon-sequestration-natural-forest-regrowth" target="_blank">growth could absorb billions of tons</a> of carbon dioxide from the atmosphere each year.</p><p>"The importance of big trees is widely-recognised in terms of carbon storage, demographics and impact on their surrounding ecosystems," the authors wrote<a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank"> in the journal Nature</a>. "Unfortunately the importance of big trees is in direct proportion to the difficulty of measuring them."</p><p>Redwoods are so long lived because of their ability to <a href="https://www.nature.com/articles/s41598-020-73733-6" target="_blank" rel="noopener noreferrer">cope with climate change, resist disease and even survive fire damage</a>, the scientists say. Almost a fifth of their volume may be bark, which helps protect them.</p>
Carbon Capture Champions<p><span>Earlier research by scientists at Humboldt University and the University of Washington found that </span><a href="https://www.sciencedirect.com/science/article/pii/S0378112716302584" target="_blank" rel="noopener noreferrer">Redwood forests store almost 2,600 tonnes of carbon per hectare</a><span>, their bark alone containing more carbon than any other neighboring species.</span></p><p>While the importance of trees in fighting climate change is widely accepted, not all species enjoy the same protection as California's coastal Redwoods. In 2019 the world lost the equivalent of <a href="https://www.worldwildlife.org/threats/deforestation-and-forest-degradation" target="_blank" rel="noopener noreferrer">30 soccer fields of forest cover every minute</a>, due to agricultural expansion, logging and fires, according to The Worldwide Fund for Nature (WWF).</p>
Pixabay<p>Although <a href="https://c402277.ssl.cf1.rackcdn.com/publications/1420/files/original/Deforestation_fronts_-_drivers_and_responses_in_a_changing_world_-_full_report_%281%29.pdf?1610810475" target="_blank" rel="noopener noreferrer">the rate of loss is reported to have slowed in recent years</a>, reforesting the world to help stem climate change is a massive task.</p><p><span>That's why the World Economic Forum launched the Trillion Trees Challenge (</span><a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a><span>) and is engaging organizations and individuals across the globe through its </span><a href="https://uplink.weforum.org/uplink/s/uplink-issue/a002o00000vOf09AAC/trillion-trees" target="_blank" rel="noopener noreferrer">Uplink innovation crowdsourcing platform</a><span> to support the project.</span></p><p>That's backed up by research led by ETH Zurich/Crowther Lab showing there's potential to restore tree coverage across 2.2 billion acres of degraded land.</p><p>"Forests are critical to the health of the planet," according to <a href="https://www.1t.org/" target="_blank" rel="noopener noreferrer">1t.org</a>. "They sequester carbon, regulate global temperatures and freshwater flows, recharge groundwater, anchor fertile soil and act as flood barriers."</p><p><em data-redactor-tag="em" data-verified="redactor">Reposted with permission from the </em><span><em data-redactor-tag="em" data-verified="redactor"><a href="https://www.weforum.org/agenda/2021/03/redwoods-store-more-co2-and-are-more-enormous-than-we-thought/" target="_blank">World Economic Forum</a>.</em></span></p>
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