To comply with a new EU emissions trading rule, Delta Airlines has added a surcharge to tickets on European flights. Will others follow?
Scientists have discovered a never-before-seen hybrid shark species, but is it evidence of climate adaptation?
The climategate investigation is finally showing some signs of progress after stalling for nearly two years.
The European Court of Justice upheld a challenge to Europe's plan to charge airlines for their greenhouse gas emissions.
A new special report from the UN climate panel suggests renewables could meet 80 percent of world energy demand by 2050.
How will the ongoing Japanese nuclear crisis affect the US political consensus on nuclear energy?
A group of students from the University of Montana is learning first-hand about how climate change may threaten Southeast Asia.
The Russian heat wave of 2010 contributed to the deaths of as many as 15,000 people. But just how unusual was the heat?