Earth has a cow problem. Cow agriculture is one of the largest emitters of climate-warming methane to the atmosphere. But adding a type of red algae known for its methane-inhibiting properties to cow ...

What’s wrong with climate credits for cow poop? California regulators would like a word Holstein cows at the Airoso Dairy near Pixley. The farm is one of several that have digesters, which collect ...

As California seeks to lead the nation on battling climate change, perhaps no debate is more fraught than the one over climate credits for cow poop. More than a decade ago, California helped spark a ...