Climate Crisis

Scientists propose mechanical trees to soak up CO2
Chile is making its own glaciers 
Clay from kitty litter pulls methane emissions from air
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
There's a ton of wind power in the deep sea. Let's go get it.