Scientists have found that most biochar fed to cattle survives digestion and returns in manure, where it may help store carbon in soil.

Biochar is a “charcoal-like substance that’s made by burning organic material from agricultural and forestry wastes (also called biomass) in a controlled process called pyrolysis,” according to ...

Concrete is one of the most common materials on Earth, thanks to its high strength and low cost – but it’s also one of the largest single sources of carbon dioxide emissions. Engineers at Washington ...

Simon Kitol’s 25-acre farm in western Kenya teems with maize, tomatoes, and beans, but also an invasive menace: Prosopis juliflora, better known as the mathenge plant. Its long roots steal water from ...