marin cows
Mustafa Alami

John Wick’s battered blue jeans, wire-rimmed glasses, and plaid work shirt make him look like a stereotypical rancher, but he is not. He’s a philanthropist, and he runs cattle on his 540-acre ranch in Northern California not for money or beef production, but instead to try to promote native grass species by mimicking grazing habits of the elk herds that once roamed these hills. Through more than a decade of experimentation on his ranch, Wick has stumbled upon what may turn out to be a groundbreaking discovery: He’s found a way to manage grasslands that can curb climate change, while …