"Until a few days ago it was looking like the tamer wildfire projections were closest to reality."

Giant balloons that beam the internet from the stratosphere reveal a new insight into gravity waves. The research could improve weather forecasts.

With unusual lightning storms sparking intense wildfires engulfing California, experts warn that rising temperatures will make the situation worse.

When forests get a little restoration nudge after logging, they recover much faster than when left to regenerate on their own, researchers report.

New research looking at fossil pollen samples serves "as a dire warning about the vulnerability of natural systems to extinction."

Arctic sea ice is melting a lot faster than earlier estimates, which predicted a slow and stable rise in Arctic temperatures, researchers say.

"Climate change has worsened respiratory allergic disease and has altered the immune system's tolerance in responding to toxins," says Xue Ming.

Deaths due to temperatures rising as a result of climate change could match the global death rate for all infectious diseases combined, researchers say.

"...Indigenous knowledge is absolutely essential for understanding the cumulative impacts of biodiversity loss and ecosystem degradation."

Joe Biden's $2 trillion climate plan is bold but lacks some specifics, experts say. Here, three weigh in on what they like—and what they think needs work.