In London, a start-up is making a plastic substitute out of seaweed. In Australia and Hawaii, others are racing to grow seaweed that, when fed to livestock, can cut methane from cow burps.

This is the first study to test seaweed on grazing beef cattle in the world. It follows previous studies that showed seaweed cut methane emissions 82% in feedlot cattle and over 50% in dairy cows.

Supplementing the diets of grazing beef cows with seaweed in pellet form could cut their methane emissions by almost 40 percent, a new study has found. The seaweed pellets led to this plunge in ...

But could seaweed offer a sustainable alternative? Livestock accounts for 14.5% of all global greenhouse gas emissions, a major contributor to climate change. Efforts to cut these emissions have ...

It follows previous studies that showed seaweed cut methane emissions 82% in feedlot cattle and over 50% in dairy cows. Livestock account for 14.5% of global greenhouse gas emissions, with the ...

It follows previous studies that showed seaweed cut methane emissions 82 percent in feedlot cattle and over 50 percent in dairy cows. How much methane do cattle produce? Livestock account for 14.5 ...