Energy

Colorful film keeps houses and cars up to 20 F colder than the air
A colorful passive cooling film could help keep homes and cars cool without environmentally destructive air conditioning.
Meatball made from woolly mammoth unveiled in the Netherlands
An Australian cultured meat startup has “resurrected” the woolly mammoth in the hope that people will think about eating it.
This easy fix could eliminate harmful chemical exhaust from home heaters
Retrofitting gas heaters with this catalyst could slash their environmental impact.
Quantum computer designs heat-radiating window coating
Your house could become a rechargeable cement battery. Here’s how. 
This cheap material could capture CO2 from power plants before it pollutes the atmosphere
NASA detects 50+ methane “super-emitters” from space 
Molten salt reactors could save nuclear power
Wild mammals are making a comeback in Europe thanks to conservation efforts 
Solar geoengineering could cool Earth, but some regions might continue warming
Does turning the air conditioning off when you’re not home actually save energy?
Supermarket uses hydroponic farm to grow veggies onsite
The US is researching ways to block the sun