2020 and 2016 are virtually tied for the hottest year on record. That means more powerful hurricanes, more intense wildfires, less ice and longer heat waves.
McCarthy has an ambitious assignment: coordinating efforts across the entire federal government aimed at drastically — and quickly — lowering U.S. greenhouse gas emissions.
California's iconic old-growth redwoods are incredibly resilient and built to survive fires. But even they may find it harder to rebound amid the mounting impacts of climate change.
Homeowners are rebuilding after wildfires, but many won't be required by governments to use fire-resistant materials. Without such improvements, communities face harm again with the next fire.
Many homeowners who lost everything in a wildfire had no idea they were at risk. Only two states require disclosing wildfire risk to buyers in the house hunting process.
The alarming wildfires on the West Coast are again putting the spotlight on climate change. But it's not the only reason why we're seeing so much destruction and lives lost.
Spoiler alert: It's still melting. A new study looks at the impact of rising rainfall. Meanwhile, scientists are more concerned about environmental threats than defrosting pathogens.