Latest Articles
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![Chinese checkers]()
![Chinese checkers]()
Can game theory predict what will happen at the U.N. climate negotiations?
A team of researchers is trying to call the outcome of the Paris climate talks using complex economic models.
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![CO2 Cloud]()
![CO2 Cloud]()
What is PPM, and what does it have to do with capitalism and climate change?
The nitty gritty of measuring atmospheric CO2 involves Algerian monks and Mongolian schoolteachers, and has some pretty major real-world implications.
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A few miles away from where the pope addressed Congress, a black community looks for change
The neighborhood's fresh air has long been overtaken by a trash transfer station.
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Pope Francis didn’t even say “climate change” in his address to Congress
The pope's environmental message in his speech at the Capitol was much more muted than his White House remarks.
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![Cargill Chief Executive David MacLennan addressed the Climate Summit at the U.N. in 2014, after making a major commitment to end deforestation.]()
![Cargill Chief Executive David MacLennan addressed the Climate Summit at the U.N. in 2014, after making a major commitment to end deforestation.]()
Is Cargill backsliding on its promise to end deforestation?
Some environmental activists say yes. Cargill says actions speak louder than words.
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![Obama on boat in Alaska]()
![Obama on boat in Alaska]()
Top 6 takeaways from Rolling Stone’s interview with Obama on climate change
The magazine's reporter got a Q&A with Obama during his trip to Alaska, and we've distilled it down for you into handy, digestible memes.
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Are automatic toilets wasteful?
Umbra swirls around the topic of bathrooms, drought, and those seemingly unavoidable gratuitous flushes.
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![Pope Francis reaches for Sophia Cruz during a papal parade in Washington.]()
![Pope Francis reaches for Sophia Cruz during a papal parade in Washington.]()
Immigrant women take a 100-mile pilgrimage to see Pope Francis
Marie Hernandez of Los Angeles, who joined the march, talks about why she traveled to bring the immigration issue onto the papal agenda.
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Volkswagen’s emissions cheating caused an appalling amount of extra pollution
A new analysis shows the company's cars may be responsible for nearly 1 million tons of air pollution every year.
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![An airplane turbine]()
![An airplane turbine]()
Boeing wants to turn jet’s roar into energy
The airline manufacturer has filed a patent for an ambitious clean energy idea.
