Cow poop emits climate-warming methane. Adding red algae may help
Adding the algae to decomposing feces might reduce methane emission from cow agriculture
![A photo of a brown and white cow standing in a grass field with other cows visible in the background.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/07/072023_cg_cow_algae_feat.jpg?fit=1030%2C580&ssl=1)
Cow agriculture is responsible for nearly a quarter of the world’s methane emissions, as bacteria in their guts and feces produce methane.
George Pachantouris/Moment/Getty Images