Others, like around 55 percent of the people who hit the streets for 2014's People's Climate March, are anonymous (s)heroes. In between these extremes are many women who have made a significant individual difference as scientists, inventors or activists and who deserve more recognition for their inspiring efforts.
Here are five women using their unique talents to protect the planet that we at EcoWatch think you should know about.
1. Miranda Wang, Inventor and Entrepreneur, Canada and U.S.
Only nine percent of the world's plastic is actually recycled. The rest is landfilled, burned or discarded into the environment, where it risks joining the eight million metric tons that pollute the world's oceans every year. But Miranda Wang is working to change that.
Together with her high school friend Jeanny Yao, Wang developed a method of using chemicals to break down unrecyclable polyethylene film plastics — such as the infamous plastic bag — into reusable compounds, The Mercury News explained. In 2015, the pair co-founded the company BioCellection when they were just 21 to put their invention into practice.
Wang and Yao first met in their Vancouver, B.C. high school's recycling club, where they visited waste plants.
"[W]hen I visited my first waste plant, the scale of the problem hit me," Wang told UN Environment. "All that waste."
She is now tackling the problem full time as CEO of BioCellection, which is based in Menlo Park, California. She is working on a pilot program with the city of San Jose and its waste handler GreenWaste to integrate her and Yao's innovation into its preexisting system.
"The long-term goal is to be able to recycle all of the city of San Jose's — and other cities' — polyethylene plastic," Wang told The Mercury News.
2. Dr. Paula Kahumbu, Conservationist, Kenya
Dr. Paula Kahumbu, who has been called the "life force" behind Kenya's conservation movement, has been working to protect elephants since she was in her early 20s. She and a group of friends measured every piece in Kenya's ivory stockpile to create an ivory "bonfire" in 1989, The Independent reported.
Since then, she has gone on to earn a Ph.D. at Princeton in ecology and evolutionary biology, to serve as the CEO of Kenyan conservation nonprofit WildlifeDirect, and to launch the successful Hands Off Our Elephants Campaign with Kenyan first lady Margaret Kenyatta in 2014.
"From spending so much time with [elephants], I know they are not just another animal," she told The Independent. "They are beings with personalities; with families; with feelings. It is such a horrendous injustice to allow them to be slaughtered."
Hands Off Our Elephants works to tackle the poaching crisis in Kenya by enacting new laws and making sure they are enforced, working directly with communities to develop conservation strategies that benefit humans and wildlife and building public support in Kenya for elephant conservation. Since it was launched, elephant poaching in the country has decreased by 80 percent and rhino poaching by 90 percent. One of Kahumbu's key insights has been the importance of engaging Africans, and particularly African women, in protecting their continent's unique animals.
"It can be hard for Africans, and especially African women, to be heard in this male-dominated world of Western scientists and academics," she told The Independent. "Maasai women, who have been studying elephants for 20 to 40 years each; should have Ph.D.s [by now], but they don't. There has been a real failure to develop the capacity of the people who are instrumental on the ground."
3. Artemisa Xakriabá, Indigenous Activist, Brazil
The election of right-wing Brazilian President Jair Bolsonaro was a blow to climate action and indigenous rights. So far, he has overseen historic wildfires in the Amazon rainforest and pushed to open indigenous forest reserves to the mining and fossil fuel industries. But indigenous women are fighting back.
Among them is 19-year-old Artemisa Xakriabá, a member of Brazil's Xakriabá tribe. In August, she participated in the first Indigenous Women's March in Brasilia to protest Bolsonaro's anti-environment and anti-indigenous policies, HuffPost reported. She was then chosen by a coalition of South American and East Asian indigenous youth groups to represent their cause at youth climate strikes in New York and Washington, DC last September.
"We, the indigenous peoples, are the children of nature, so we fight for our Mother Earth, because the fight for Mother Earth is the mother of all other fights," she said in New York, as Democracy Now reported. "We are fighting for your lives. We are fighting for our lives."
Xakriabá's activism predates Bolsonaro, however. When she was only seven, she helped her classmates reforest 15 riverside areas near their traditional territory in Minas Gerais in southeast Brazil, according to HuffPost.
In New York, she spoke of the common struggle of all women to protect the earth.
"I am also here as a young woman," she said, as Democracy Now reported, "because there's no difference between an indigenous young female activist like myself and a young indigenous female activist like Greta. Our future is connected by the same threads of the climate crisis."
4. Dr. Maria Caffrey, Scientist and Whistleblower, U.S.
Dr. Maria Caffrey is another woman who stood up to a climate denying administration.
In 2012, the National Park Service (NPS) funded a project she had designed to estimate future sea levels and storm surges at 118 coastal national parks based on different levels of greenhouse gas emissions, as Caffrey wrote for The Guardian. She completed the first draft in the summer of 2016, but then President Donald Trump took office, and the report was delayed. Finally, a colleague told her that all mentions of climate change had been edited out of her report. Senior officials wanted her to approve the changes, and, if she refused, threatened to release the report without climate references, to delete her name or not to publish it at all.
"Each option would have been devastating to my career and for scientific integrity. I stood firm," she wrote. "And I prevailed."
The report was published, but Caffrey paid for her persistence. She received pay cuts and demotions and then, in February 2019, NPS refused to renew her funding, leading Caffrey to file a whistleblower complaint against the administration.
Caffrey also sued the administration and testified before Congress in an attempt to raise awareness about the silencing of scientists.
"Money was never really the point of the lawsuit," Caffrey told Colorado Matters. "The point of the lawsuit is to get on the record and show what the Trump administration is doing to scientists and that that's not OK. And so I think it's important that we stand up and we fight back."
5. Nirupabai, Activist, India
In India, the expansion of coal doesn't just hurt the global climate. Government-owned Coal India and its subsidiaries have bypassed local and international law in evicting people from their homes in order to expand mines in the states of Jharkhand, Odisha and Chhattisgarh, according to a 2016 Amnesty International report publicized by The Guardian. These evictions particularly target indigenous Adivasi communities, including a woman named Nirupabai whose home was bulldozed in 2014.
"I cried, I screamed, trying to save it," she told The Guardian of the eviction. "All my things, my son's school books, a year's worth of rice, everything was scattered, everything in ruins."
But Nirupabai has gone on to fight the coal company with every means at her disposal, Elle reported. She has picketed company offices, spoken at environmental hearings and she spoke in The Cost of Coal, India's first VR film to be acquired by the UN. What she wants is for Coal India to stop expanding until people like her are compensated for the land they have lost.
"You tell me what will grow on this poor land? Coal is the heart of the earth, but they remove it and say we are the sarkar. What is it that you have in your pocket that you didn't take from our land?" Nirupabai said, according to Elle.
Nirupabai has won one important victory. Coal India usually does not let women who have been displaced by its activities work in the mines because it deems the work unsafe. But a court order filed by another woman, Ratthobai Rathia, has given her the right to work for the land she has lost. Nirupabai isn't done fighting, however.
"I will fight for every last inch," she told Elle.
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By Peter Giger
The speed and scale of the response to COVID-19 by governments, businesses and individuals seems to provide hope that we can react to the climate change crisis in a similarly decisive manner - but history tells us that humans do not react to slow-moving and distant threats.
A Game of Jenga<p>Think of it as a game of Jenga and the planet's climate system as the tower. For generations, we have been slowly removing blocks. But at some point, we will remove a pivotal block, such as the collapse of one of the major global ocean circulation systems, for example the Atlantic Meridional Overturning Circulation (AMOC), that will cause all or part of the global climate system to fall into a planetary emergency.</p><p>But worse still, it could cause runaway damage: Where the tipping points form a domino-like cascade, where breaching one triggers breaches of others, creating an unstoppable shift to a radically and swiftly changing climate.</p><p>One of the most concerning tipping points is mass methane release. Methane can be found in deep freeze storage within permafrost and at the bottom of the deepest oceans in the form of methane hydrates. But rising sea and air temperatures are beginning to thaw these stores of methane.</p><p>This would release a powerful greenhouse gas into the atmosphere, 30-times more potent than carbon dioxide as a global warming agent. This would drastically increase temperatures and rush us towards the breach of other tipping points.</p><p>This could include the acceleration of ice thaw on all three of the globe's large, land-based ice sheets – Greenland, West Antarctica and the Wilkes Basin in East Antarctica. The potential collapse of the West Antarctic ice sheet is seen as a key tipping point, as its loss could eventually <a href="https://science.sciencemag.org/content/324/5929/901" target="_blank">raise global sea levels by 3.3 meters</a> with important regional variations.</p><p>More than that, we would be on the irreversible path to full land-ice melt, causing sea levels to rise by up to 30 meters, roughly at the rate of two meters per century, or maybe faster. Just look at the raised beaches around the world, at the last high stand of global sea level, at the end of the Pleistocene period around 120,0000 years ago, to see the evidence of such a warm world, which was just 2°C warmer than the present day.</p>
Cutting Off Circulation<p>As well as devastating low-lying and coastal areas around the world, melting polar ice could set off another tipping point: a disablement to the AMOC.</p><p>This circulation system drives a northward flow of warm, salty water on the upper layers of the ocean from the tropics to the northeast Atlantic region, and a southward flow of cold water deep in the ocean.</p><p>The ocean conveyor belt has a major effect on the climate, seasonal cycles and temperature in western and northern Europe. It means the region is warmer than other areas of similar latitude.</p><p>But melting ice from the Greenland ice sheet could threaten the AMOC system. It would dilute the salty sea water in the north Atlantic, making the water lighter and less able or unable to sink. This would slow the engine that drives this ocean circulation.</p><p><a href="https://www.carbonbrief.org/atlantic-conveyor-belt-has-slowed-15-per-cent-since-mid-twentieth-century" target="_blank">Recent research</a> suggests the AMOC has already weakened by around 15% since the middle of the 20th century. If this continues, it could have a major impact on the climate of the northern hemisphere, but particularly Europe. It may even lead to the <a href="https://ore.exeter.ac.uk/repository/handle/10871/39731?show=full" target="_blank" rel="noopener noreferrer">cessation of arable farming</a> in the UK, for instance.</p><p>It may also reduce rainfall over the Amazon basin, impact the monsoon systems in Asia and, by bringing warm waters into the Southern Ocean, further destabilize ice in Antarctica and accelerate global sea level rise.</p>
The Atlantic Meridional Overturning Circulation has a major effect on the climate. Praetorius (2018)