Bacteria-Powered Solar Cell Would Work When Cloudy

Bacteria-Powered Solar Cell Would Work When Cloudy

A new kind of solar cell uses bacteria instead of silicon to convert sunlight into electricity. The proof-of-concept reported in the journal Small could be a cheap, sustainable way to generate electricity. And it could work even when the skies are overcast or the...
Could The Ocean Floor Be a Permanent CO2 Vault?

Could The Ocean Floor Be a Permanent CO2 Vault?

Scientists in China say that it should be possible to safely and permanently bury carbon dioxide in its liquid form below the ocean floor. The extreme conditions in deep-sea sediments would lock the carbon in place and keep it from escaping into the ocean and harming...
To Cut Emissions, Focus on Cities

To Cut Emissions, Focus on Cities

The fight against climate change would be most effectively waged at city level, new research finds. China could cut its national emissions by 30 percent if its cities’ top polluters cleaned up their acts and slashed carbon emissions, an international team of...
The dark side of natural gas

The dark side of natural gas

The world’s appetite for natural gas is booming. In the U.S., natural gas production is at an all-time high and poised to go up even more. That’s widely considered to be good news for the climate since burning natural gas produces about half as much carbon dioxide as...
Ditching Cement to Reduce Concrete’s Carbon Footprint

Ditching Cement to Reduce Concrete’s Carbon Footprint

The world is becoming increasingly urban. With buildings rising rapidly into city skies, concrete has become the planet’s most-used manmade material. Sadly, it has a carbon footprint to match. Producing cement, the main ingredient in concrete, creates 5 percent...