Melting glaciers are leaving behind unstable lakes around the world. Millions of people live downstream, in places increasingly threatened by deadly flash floods. What will it take to protect them?

As Western wildfires get more destructive, scientists are finding a far-off connection to shrinking ice on the Arctic Ocean.

An estimated 15 million people are threatened by floods that happen when glaciers melt rapidly. Nepal's Himalayan communities are on the front lines.

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.

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.

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.

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 massive ice sheet on Greenland is shrinking as the climate gets hotter, pouring fresh water into the Atlantic Ocean. That could be setting off a chain reaction that's altering ocean ecosystems.

Galveston, Texas, has some of the fastest sea level rise in the world. To protect the city, engineers need to know how fast ice in West Antarctica will melt. Scientists are racing to figure it out.