Robert S. Eshelman
In Photos: Greenpeace Unfurls Climate Message Next to Nazca Lines in Peru
Peru, who is hosting the annual UN climate change negotiation, pledged to sue the activists for "attacking" the iconic UNESCO World Heritage Site.
All Eyes Turn to India as UN Climate Talks Begin in Lima, Peru
After the world's three largest economies — China, United States, and the European Union — made new pledges to curb their emissions, the spotlight is now on other leading polluters.
Here's How the US Could Pretty Much Eliminate Carbon Dioxide Pollution
A UN study says dramatic cuts are possible using existing clean energy technology and with will little to no economic impact.
The Environmental Protection Agency Just Proposed Smog Rules That Could Save Thousands of Lives
Industry groups and Republicans say EPA efforts to cut down on smog will cost billions of dollars, with one organization calling the proposed rule the most expensive regulation in history.
Here's What Happens When You Eat Too Much on Thanksgiving
Scientists show us what's happening as we approach the brink of food coma. It's not pretty.
Stunning Drone Footage Shows the Power of Deadly New York Snowstorm
Up to seven feet of snow has fallen in some areas of Western New York, causing a dozen deaths and the collapse of many homes and businesses.
US Senate Rejects Keystone XL Pipeline — For Now
Republicans have pledged to approve the controversial Keystone project in January when they takeover the Senate, but their votes are still short of those needed to override a presidential veto.
Psychedelic Video Shows a Year in the Life of Earth's Carbon Dioxide Pollution
In a hypnotic and beautiful three-minute video NASA scientists simulate how carbon dioxide pollution circulates through the Earth's atmosphere.
These Are The Most Wanted Environmental Fugitives In The World
Interpol issued a list of the world's most wanted environmental fugitives and asks the public for help in tracking them down.
Video: Climate Change Means Its More Likely You'll be Struck by Lightning
Scientists project that the number of lightning strikes in the US will increase by 50 percent by the end of the century.
400 People Bury Their Heads in the Sand to Protest Australian Prime Minister's Stance on Climate Change
Tony Abbott has called climate science 'crap' and as host of the upcoming G20 summit has refused to make climate change a priority.
Obama Travels to China and Climate Change is High on the Agenda
The US and China account for roughly half of the world's annual carbon pollution and environmental groups are pushing the two countries to increase their commitments on reducing emissions.