The secret superpower of Brazil’s vast savanna

You’ve heard of the Amazon rainforest, but have you heard of its neighbor, the cerrado? It’s a vast savanna — the most biodiverse in the world — of swaying grasses punctuated by trees. But its most remarkable feature, and its climate superpower, is hidden underground within its wetlands: concentrated carbon...

The war in Iran could plunge the world into hunger

Up until the end of February, a steady flow of ships bound for destinations across the world would pass daily through the Strait of Hormuz. A narrow channel running between Oman and Iran, the waterway serves as the only natural maritime link between the Persian Gulf and the global economy....

The US barely bothers to track geoengineering. What could go wrong?

People have tried to manipulate the weather for thousands of years, whether through magic, superstition, or science. In the 1840s, one schoolteacher suggested that the United States regulate the climate by setting massive, weekly forest fires. Fifty years later, researchers were trying to “shock” rain out clouds with cannon fire,...

Indigenous rights, the environment, and international law: What’s at stake at this week’s seabed mining talks

Indigenous advocates who have been fighting for their rights to be acknowledged in global regulations for seabed mining are bracing for the outcome of this week’s gathering of the International Seabed Authority in Jamaica, where representatives from three dozen countries are expected to discuss finalizing mining rules by the end...

The fight for the heart of the US Environmental Protection Agency

In the winter of 2024, Montana Krukowski left his job with the Michigan state government to take his dream position at the Chicago regional office of the U.S. Environmental Protection Agency. There, he devoted himself to helping tribal governments keep their drinking water free from harmful bacteria. He also oversaw commercial...