The demand for rocket launches will only grow in the future, and that's raising concern over progress on protecting Earth's ozone layer.
It’s not "The Last of Us" zombie apocalypse, but scientists say it's time to get serious about fungi and disease in a warming world.
The new UN deal may force us to reconsider the usefulness of such meetings altogether.
Make Sunsets sells "cooling credits" to support its geoengineering startup. Some experts say it's the rogue actor they've worried about.
Poor governance, corruption and conflict throughout MENA threaten to curb the impact of new climate funds.
“The deadly impacts of climate change are here and now. Loss and damage can no longer be swept under the rug," says UN chief António Guterres.