Energy

New “tandem” solar cell breaks world record
A new tandem solar cell containing layers of silicon and perovskite has demonstrated an unprecedented efficiency of 33.7%.
These 4 charts show the unstoppable growth of solar
Solar is growing fast enough to displace fossil fuels from the entire global economy before 2050, but infrastructure needs to keep up.
Clay from kitty litter pulls methane emissions from air
These solar panels are thinner than a piece of paper 
Using robotic fish to harness the “ecology of fear”
Earthships: The sustainable buildings made from trash
Batteries of the future could be made from trees
The return of sail power
How buildings can adapt to the seasons
Can artificial insemination save the ocelot?
Online tree of life now connects 2.2 million living species
Floating drones mine carbon data in the Gulf Stream