Talks on global plastic treaty begin in Canada

Negotiators from 175 nations began talks Tuesday on a proposed global treaty to reduce plastic pollution, which is found everywhere from mountain tops to ocean depths, and in human blood and breast milk.

Study underscores uncertain costs of iron fertilization

As society grapples with the intensifying consequences of climate change, decision-makers are increasingly looking to carbon dioxide removal as a necessary complement to emission reductions. One of the strategies that has ...