The big idea of companies trading rights to emit greenhouse gases has floundered in Europe.
Making an energy pledge is one thing, following through is a whole different story
Does China's political system help in setting long-term goals to reduce emissions?
French forecaster may lose his job because of his book questioning climate change.
On the losing side of the new rules: coal.
In a papal letter, Francis says wealthier countries need to help poorer ones.
Hundreds of thousands march ahead of UN climate summit.
The U.N. climate group has moved forward, not just warning of climate change — because it’s here. What are the barriers to investing in "adaptation"?
The world’s top climate scientists issued their most definitive report yet on the challenges and risks of climate change.
After years of butting heads with congressional Republicans, President Obama will announce climate change policies through administrative action.
