Climate Crisis
Why pumping water back into hydro dams beats batteries for renewable power
The U.S. has thousands of reservoirs that could be paired for pumped hydro storage without the need for rivers.
Scientists propose mechanical trees to soak up CO2
Can we combine our two best ways to remove CO2 from the air?
Chile is making its own glaciers
Chilean climate experts will attempt to DIY their own glaciers in 2022, in hopes of supplying fresh water through the dry summer months.
Clay from kitty litter pulls methane emissions from air
A new technology for reducing methane emissions in the atmosphere relies on zeolite, a cheap, abundant clay found in cat litter.
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Just Might Work
Tornado Alley miracle: A 100% accurate tornado sensor invented by accident
Can this recycled technology save the citizens of Tornado Alley?
Floating drones mine carbon data in the Gulf Stream
Saildrone has deployed three vessels into the Gulf Stream this winter to collect data on carbon uptake.
Citizen keepers are raising threatened grasshoppers
The large marsh grasshopper risks extinction. But volunteer citizen keepers are raising the insect for rewilding to newly restored wetlands.
Paris to make the Seine River swimmable for the Olympics
Paris’ plan to make its iconic Seine River swimmable for the 2024 Summer Olympics could help other cities clean up their own waterways.
The world’s first indoor saltwater farm
But Sam Norton, founder of Heron Farms, is using the world's most abundant resource — seawater — to grow sea beans.
Luminescent materials could cool our cities and light the streets
Luminescent materials could be used to cool our cities, and simultaneously cut down on electricity.