Climate Crisis

Why pumping water back into hydro dams beats batteries for renewable power 
Scientists propose mechanical trees to soak up CO2
Chile is making its own glaciers 
Clay from kitty litter pulls methane emissions from air
Tornado Alley miracle: A 100% accurate tornado sensor invented by accident
Floating drones mine carbon data in the Gulf Stream
Citizen keepers are raising threatened grasshoppers
Paris to make the Seine River swimmable for the Olympics
The world’s first indoor saltwater farm
Luminescent materials could cool our cities and light the streets