All of us think back to turning points in our lives, and imagine how things could have unfolded differently. Why do we so often ask ourselves, "What if?"
Sea-level rise is so acute in South Florida that local governments are eyeing hundreds of millions in spending to mitigate floodwaters. But wealthy foreign investors don't seem fazed.
The two satellites, which are collectively called GRACE and will replace two retired probes, are one of the most important tools for understanding the effects of climate change.
From bass to lobster, hundreds of species that live along U.S. coastlines are projected to migrate north over the next 80 years, making them harder to catch and manage. It's already happening.
New research shows how scorching temperatures in the Gulf of Mexico led to massive rainfall when the storm hit last year. The findings also suggest global warming will make the problem worse.
The state is poised to become the first in the country to require the panels on new single-family houses, with a few exceptions. The mandate will kick in as of 2020.
Global warming has so far seen a gradual rise in average temperatures. But that may change, with extreme variations. And poor countries could bear the brunt of it.
California is leading a lawsuit challenging the Trump administration's plan to weaken car emissions standards. EPA chief Scott Pruitt says the rules, designed to fight climate change, are too strict.
Storms, warmer waters and coral-eating starfish have harmed the iconic coral reef system off Australia's coast. Now the Australian government has announced a plan to boost funding for the reef.
Extreme weather cost Americans over $300 billion last year. Scientists say climate change will bring more of that. Entrepreneurs and businesses see a new market in gauging risk.