Climate campaigners have spent years pushing for defunding and divestment from fossil fuel companies. Now, as their arguments gain traction, they are taking aim at the emissions-heavy meat and dairy industries. “At some point those companies will no longer generate any revenue due to ecological limits. The financial markets aren’t pricing in those risks,” said Mark Campanale, founder of Carbon Tracker, the think-tank that popularised the notion that global warming would lead to unviable “stranded assets” in the hydrocarbon sector. Fossil fuel companies dismissed for years the idea of an inevitable energy transition making their investments unviable but some now...