Sustainability

Technologies to cool the world
Scientists are working on technologies to bring down temperatures — of places and people — sustainably.
Materials that cool sustainably
The hunt is on for materials that can bring temperatures down without using power.
These batteries power up a green future
Start-ups are working on batteries with new chemistries, designs and raw materials for a green future.
Dawn of a solar decade
Solar power and storage will dominate the energy sector in the coming years.
Ideas that flow well
Companies save water, store energy — and help customers with their hairdos.