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.
Tapping into the million-year energy source below our feet
This little robot is cleaning up beaches, one cigarette butt at a time 
Engineers create world’s first carbon-neutral cement out of algae 
“Passive cooling” could reduce indoor temps by up to 25 F in a heat wave
This artificial island will power 3 million European households
Spray-on “peel” for produce helps reduce plastic pollution
MIT proposes Brazil-sized fleet of “space bubbles” to cool the Earth
Dive into the world’s first underwater garden 
These bendy wind turbines won’t crack in hurricanes