How to make jet fuel from sunlight, air and water vapor

Jet fuel can now be siphoned from the air. Or at least that’s the case in Móstoles, Spain, where researchers demonstrated that an outdoor system could produce kerosene, used as…

Underground heat pollution could be tapped to mitigate climate change

The secret to efficiently heating some buildings might lurk beneath our feet, in the heat that humans have inadvertently stored underground.  Just as cities warm the surrounding air, giving rise…

How to build better ice towers for drinking water and irrigation

There’s a better way to build a glacier. During winter in India’s mountainous Ladakh region, some farmers use pipes and sprinklers to construct building-sized cones of ice. These towering, humanmade…

Western wildfires’ health risks extend across the country

After a relaxing day at the Jersey Shore last July, Jessica Reeder and her son and daughter headed back home to Philadelphia. As they crested a bridge from New Jersey…

Ancient penguin bones reveal unprecedented shrinkage in key Antarctic glaciers

Antarctica’s Pine Island and Thwaites glaciers are losing ice more quickly than they have at any time in the last few thousand years, ancient penguin bones and limpet shells suggest.…

Growing wildfire threats loom over the birthplace of the atomic bomb

There are things I will always remember from my time in New Mexico. The way the bark of towering ponderosa pines smells of vanilla when you lean in close. Sweeping…

Scientists hope to mimic the most extreme hurricane conditions

Winds howl at over 300 kilometers per hour, battering at a two-story wooden house and ripping its roof from its walls. Then comes the water. A 6-meter-tall wave engulfs the…

High altitudes may be a climate refuge for some birds, but not these hummingbirds

Cooler, higher locales may not be very welcoming to some hummingbirds trying to escape rising temperatures and other effects of climate change. Anna’s hummingbirds live no higher than about 2,600…

Farmers in India cut their carbon footprint with trees and solar power

In 2007, 22-year-old P. Ramesh’s groundnut farm was losing money. As was the norm in most of India (and still is), Ramesh was using a cocktail of pesticides and fertilizers…

These six foods may become more popular as the planet warms

No matter how you slice it, climate change will alter what we eat in the future. Today, just 13 crops provide 80 percent of people’s energy intake worldwide, and about…