A dusting of salt could cool the planet

A last-ditch remedy for a climate disaster might be waiting in your kitchen. If efforts to control greenhouse gases fail, finely powdered salt spread through the upper troposphere could hold off the sun’s rays and cool the planet, researchers reported here today at the Lunar and Planetary Science Conference. The approach could be more benign than other schemes for putting a temporary hold on climate change. Read more.


Bees love the lawns of lazy homeowners

As prolific pollinators, bees are crucial to a healthy ecosystem. But their numbers are declining around the world because of agriculture and urban development. Now, researchers have discovered that lazy lawnmowers—people who mow their lawns once every 2 weeks—have more bees than people who mow their lawns every single week. Read more.