Bilateral ties are at a low and while Washington and Beijing agreed on climate cooperation, details are unclear. Competition with China is key to the Biden administration's response to climate change.

The 18-year-old gave her point of view at a World Health Organization press conference, saying it's "unethical" to vaccinate young people in wealthy countries ahead of health workers in poor places.

In a move to curb climate change, an open letter from companies including Apple and Walmart calls on the Biden administration to cut U.S. emissions to at least half of 2005 levels by 2030.

Despite Biden's ambitious climate plan, Haaland told lawmakers the country would not abandon fossil fuels "overnight." If confirmed, she would be the first Native American Cabinet secretary.

As Americans stayed home during the pandemic, cars and planes produced less heat-trapping emissions. But the effect is only temporary.

Congress has long struggled to pass new laws addressing climate change, even ones with bipartisan support. But the end-of-year spending package includes an energy bill with major climate measures.

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.

Wildfires in California have set a new record, but some fire scientists say focusing on that number is doing more harm than good.

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.

In another record-breaking year, communities are realizing the best way to survive wildfires is learning to live with them.

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.