Climate Change

President Biden’s climate law is funding “green ammonia” projects in hopes of using the chemical to more cleanly power the grid, fuel cargo ships and make fertilizer

Heat seems to trigger a sweep of changes in immune system molecules, although researchers disagree on what they might mean

From Gaza to India to the Philippines, climate change exacerbated often record-breaking extreme heat over the past month

Floods, wildfires, droughts and earthquakes forced more than 26 million people to leave their homes in 2023

Ancient tree rings show that the summer of 2023 was the hottest in the past 2,000 years because of human-caused climate change

An active hurricane season could be in store because of ocean temperatures in the North Atlantic that broke records for more than a year

New CDC guidance encourages clinicians to start conversations with patients about dangerous heat

Both climate-driven disasters and the clean energy transition pose risks for the world’s largest financial institutions

A stunning photography collection underlines how climate change is altering the world’s coastal and lakeside environments

A competition to develop carbon-removal technology that is run by XPRIZE and backed by money from Elon Musk has announced 20 finalists. A winner will be announced next year

Astronomy’s future may be slipping away—one climate disaster at a time

Using forests to prop up carbon markets can lead to “perverse effects” on land management, such as cutting out local communities