Invasive plants and insects are wreaking havoc on many of the nation's beloved parks. We visit parks in the D.C. area where vines are spreading fast and killing trees.

Melting glaciers and ice sheets are far from where most people live. But the impacts stretch across the planet. See if you can guess how.

Ice in Antarctica is melting rapidly. That's driving sea level rise around the world. But some places are threatened more than others, and Texas is in the crosshairs.

Climate change is pushing already endangered right whales to the brink. Scientists say the oceans will fundamentally shift as the world's ice melts.

The ice that covers the Arctic Ocean is shrinking as the climate gets hotter. Scientists are finding it could be linked to weather that's helping fuel disasters.

The UNESCO World Heritage city of Saint-Louis is perched precariously between the Atlantic Ocean and the Senegal River. And it's on borrowed time.

Satellite data show water levels plummeting at the Kakhovka Reservoir. The reservoir supplies drinking water, irrigates vast tracts of farmland, and cools Europe's largest nuclear plant.

Sweeping global trends are changing the world. As climate change heats up the planet and pushes people to migrate, far-right politicians see both a threat and an opportunity.