Seaweed could make cows burp less methane and cut their carbon hoofprint

• James Temple, MIT Technology Review • Fisheries & Aquaculture

Seaweed could make cows burp less methane and cut their carbon hoofprint
Monika Kubala on Unsplash

This past spring, several of these Holstein dairy cows participated in a study to test a promising path to reducing methane emissions from livestock, a huge source of the greenhouse gases driving climate change. By adding a small amount of seaweed to the animals’ feed, researchers found, they could cut the cows’ methane production by nearly 60%.

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