As climate change makes rainfall more intense and infrequent, Catalan authorities are battling to provide security and drinking water to millions.

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US.

LA residents rushing to flee wildfires this week faced choke points, gridlock and the tough decision of whether to abandon their cars to the fire.

Changes that begin in the ice at the tops of high mountain ranges are cascading down to lower altitudes.

From erecting seawalls to selling citizenship, vulnerable small islands are taking sometimes drastic measures to protect themselves from rising seas, storms and economic devastation.

Should rich countries and fossil fuel companies pay for the climate losses and damages they have caused?

Disease-causing microorganisms churn in the floodwaters after a hurricane and grow in people's homes long after the first danger has passed.

These people are rebuilding homes lost to wildfires in the western US – only this time they are using a material that they hope won't burn.