Nearly all U.S. regions stand to gain economic benefits from power plant carbon standards that set moderately stringent emission targets and allow a high level of compliance flexibility, according to a new study by scientists from Harvard T.H. Chan School of Public Health, Syracuse University, Resources for the Future, and the Harvard Forest, Harvard University as a project of the Science Policy Exchange.

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The renewable energy revolution is in full swing, writes Jeremy Leggett, with costs falling to new lows, deployment of wind and solar surging to unprecedented highs, and confidence ebbing away from fossil fuels. But global warming is also accelerating, with global temperature records broken every month for a year. Will the energy transition happen in time to avert catastrophe?

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Thailand's 'tiger temple' was a front for the commercial exploitation of tiger bones, skins and other parts for the lucrative international trade, writes Simon Evans. It made no contribution to conservation and the animals were subject to extreme cruelty. But while the temple's closure is good news, there are hundreds of similar tiger farms across the region that are no better - or even worse.

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Thanks to Chile’s major investments in renewables, the Latin American country is seeing an incredible solar boom.

In a new Bloomberg report, “Chile Has So Much Solar Energy It’s Giving It Away for Free,” solar capacity from the country’s central grid has increased four fold to 770 megawatts since 2013. Another 1.4 gigawatts will be added this year with many solar power projects under development.

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Operation IceBridge, NASA's airborne survey of polar ice, ended its eighth spring Arctic campaign on May 21. During their five weeks of operations, mission scientists carried out six research flights over sea ice and ten over land ice.

"We collected data over key portions of the Greenland Ice Sheet, like the fast-changing Zachariae Isstrom Glacier, and we got the broad geographic coverage of Arctic sea ice we needed," said Nathan Kurtz, IceBridge's project scientist and a sea ice researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland. "This is an important continuation of the time series for Arctic ice, particularly with the very warm Arctic winter noticeably impacting sea ice retreat and ice sheet melt onset this year."

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El extremo norte de América del Norte es cada vez más verde, según un estudio de la NASA que proporciona la visión más detallada hasta el momento de la vida vegetal a través de Alaska y Canadá. En un clima cambiante, casi un tercio de la cobertura de la tierra, en gran parte tundra ártica, se parece más a los paisajes que se encuentran en ecosistemas más cálidos.

Con 87,000 imágenes tomadas desde satélites Landsat, convertidas a datos que reflejan... 

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