In a previous life, Jo-Kristian Røttereng walked the rainforests of the Congo Basin, as a part of the Norwegian government's NOK 3 billion effort to curb tropical deforestation. He's seen the towering trees, heard the grunting ...
New research shows that butterflies in Greenland have become smaller in response to increasing temperatures due to climate change.
Scientists often use satellites, supercomputers or high-tech arrays of instruments to show how the climate is changing.
A South Korean professor of climate change economics will lead the Nobel Prize-winning group of climate scientists who keep track of global warming.