Enteric methane reduction deep dive: from seaweed to gene editing

Methane-busting feed supplements are beginning to scale. But who will foot the bill, and what will drive widespread adoption?

Hereford cows Image credit: iStock-PaulMaguire

While burping ruminants are one of the leading sources of methane emissions, surprisingly small sums—just $233m according to AgFunder data—have been pumped into startups tackling the problem over the past decade.