Greenland

A man walks in the snow next to the Houses of Parliament in London on March 1. Brtain and much of the rest of Europe have been hit with a late winter blast linked to extreme warming in the Arctic.

Europe's cold blast, Arctic's heat wave are 'two sides of the same coin'

Environment

While it's been unusually cold and snowy in much of Europe, the Arctic has been seeing record warm temperatures and a huge loss of ice. Here's how the two are linked, and what they might have to do with climate change.

Europe's cold blast, Arctic's heat wave are 'two sides of the same coin'
A research team crossing an ice plateau in the Indian Himalayas faced risks of hidden crevasses, storms, avalanches and earthquakes.

Climate change research can be risky. But not doing it is even riskier.

Science
Climate change research can be risky. But not doing it is even riskier.

Scientists say the retreat of west Antarctica's ice sheet is unstoppable

Environment
Scientists say the retreat of west Antarctica's ice sheet is unstoppable