Climate change "is the global threat of our time," Obama said in a big speech at the Brandenburg Gate. Fitting, as the weather in Berlin was an unseasonably hot 92 degrees.
Heavy farm runoff and heavy rainfall could lead to a New Jersey-sized dead zone in the Gulf of Mexico this year. The news for Chesapeake Bay is more upbeat.
China took its first step toward a national carbon-trading system on Tuesday, launching a pilot project in the city of Shenzhen.
TransCanada plans to stick with older spill-detection systems on the pipeline, ignoring EPA's recommendation that it upgrade to more advanced equipment.
Heartland claimed that Chinese scientists were subscribing to its skeptical climate views. The Chinese Academy of Sciences denounced that claim as "false."
A French company plans to bring 500 electric cars and 1,200 charging stations to Indiana's capital, starting next year.
Ten states and three enviro groups were about to sue the administration over its delay of climate rules for new power plants. Now they're giving the president a short reprieve.
As stronger storms brew and sea levels rise, city leaders figure they’d better prepare for the worst.
Wind developers want to be allowed to kill a few eagles. Conservationists say this is unnecessary. Right wingers are delighted to spread negative news about renewable energy.