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 ...

Retrieved as trash and unloaded as treasure, piles of dead wood are dropped off at this biochar facility in Berthoud, Colorado, for an opportunity at a second life. James Gaspard is the CEO of this ...

Biochar might sound like some kind of trendy new superfood, but it’s actually a powerful climate solution made from a very old idea. At its core, biochar is a type of charcoal made by heating organic ...