The Arctic Has a Cloud Problem

A key method for removing carbon dioxide from the atmosphere, reforestation is increasingly touted in plans to tackle climate change. But a study finds that tree nurseries in the U.S. will need to rapidly accelerate their production of seedlings to more than double the current rate in order to meet target climate goals.

Research indicates that seaweed could be a powerful tool in reducing greenhouse gases emitted by livestock. Adding a small amount of a particular species of seaweed called asparagopsis to a cow's diet can decrease the amount of methane produced by 98 percent.