Drones Bearing Parcels Deliver Big Carbon Savings

[ad_1] Drones that fly packages straight to people’s doors could be an environmentally friendly alternative to conventional modes of transportation. A study comparing the environmental impact of various ‘last-mile’ delivery methods — which take a package on the final...

In Memoriam: James Lovelock (1919-2022)

[ad_1] Jim Lovelock (never ‘James’) is remembered as the father of the Gaia hypoth-esis: the idea that Earth is a self-regulating living organism. Few accepted his argument that this should be elevated to the status of a theory, even though it generated predictions...

Scientists Invent a Paper Battery—Just Add Water

[ad_1] Discarded electronics are piling up fast, pushing researchers to explore creative ways to reduce the resulting trash, known as e-waste. Now one team has crafted a water-activated disposable battery made of paper and other sustainable materials. The wires,...

Eating Too Much Protein Makes Pee a Problem Pollutant in the U.S.

[ad_1] In the U.S., people eat more protein than they need to. And though it might not be bad for human health, this excess does pose a problem for the country’s waterways. The nation’s wastewater is laden with the leftovers from protein digestion: nitrogen compounds...