Firms including Nestlé and Danone are responsible for 3.4% of global methane emissions from human activity, sustainable production organisations claim

A new study will look at whether Irish seaweed can help to reduce methane emissions from farm animals. While the health benefits of humans consuming seaweed are well known, it is only recently that research has looked at what it can do for animals.

Surging methane emissions threaten to undermine efforts to slow climate change, a team of international experts has warned.