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Astronauts Send a Message to Paris Climate Talks

Astronauts Send a Message to Paris Climate Talks

Houston, we have a climate message. Astronauts past and present, including current International Space Station Commander Scott Kelly, sent along a video to climate negotiators in Paris this weekend. As the only people to ever have a truly global view of Earth, their perspective is a little different than your average person's. Literally … Read More

Geoengineering a ‘Risky’ Bet, Scientists Warn Negotiators

Geoengineering a ‘Risky’ Bet, Scientists Warn Negotiators

References to “negative emissions” have been dropped from a draft climate agreement that’s being finalized at meetings in Paris. The term had referred to an imagined world where geoengineering projects and forests suck more heat-trapping carbon dioxide out of the atmosphere every year than industrial activities pump into it. Findings from a review … Read More

Five Reasons to Smile About Paris Climate Talks

Five Reasons to Smile About Paris Climate Talks

In Paris, the U.S. is pioneering a new approach that relies on nations making voluntary commitments to reduce their climate impacts. The entire process is becoming a high-stakes exercise in cajoling and pressuring. That new approach frustrates some, particularly in Europe, who would prefer to see pollution improvements mandated by international la… Read More

Uruguay Makes Dramatic Shift to Clean Energy

Uruguay Makes Dramatic Shift to Clean Energy

As the world gathers in Paris for the daunting task of switching from fossil fuels to renewable energy, one small country on the other side of the Atlantic is making that transition look childishly simple and affordable. In less than 10 years, Uruguay has slashed its carbon footprint without government subsidies or higher consumer costs, according… Read More

Here’s How Science Could Help Curb Global Warming

Here’s How Science Could Help Curb Global Warming

As climate negotiators near the midway point of the talks in Paris, Bernadette Woods Placky looks ahead to the role that science might play in reducing global warming.… Read More

These Coral Reefs Are a ‘Crystal Ball’ For Future Change

These Coral Reefs Are a ‘Crystal Ball’ For Future Change

Christmas Island sits about as close to the middle of the Pacific as you can get. The main island of Kiribati, a small island nation, is 3,300 miles from San Francisco, 3,800 miles from Brisbane and just 140 miles north of the equator. Its closest neighbor of note is Hawaii, which is still 1,250 miles away. Some might say it’s as close to the … Read More

Record Heat Is Helping Shape Paris Climate Talks

Record Heat Is Helping Shape Paris Climate Talks

Negotiators in Paris are working on an international agreement to curb global warming as 2015 shapes up to be the hottest year on record. "The data and the knowledge will win out in the end," Stanford University climate scientist Chris Field said. "We're already beginning to see the transition where the evidence about climate change, about people… Read More

Why 400PPM Is Too Big of a Number to Ignore

Why 400PPM Is Too Big of a Number to Ignore

As world leaders and policymakers try to reach an agreement on global warming limits at the climate summit in Paris, there is one number they can't ignore: 400 parts per million. Climate Central's Chief Meteorologist Bernadette Woods Placky explains from the COP21 climate conference in Paris.… Read More