The United Nations is fast-tracking discussions that aim to forge an international agreement to curb plastic waste, one of the most pervasive and hazardous environmental pollutants.

Presidents Trump and Biden have turned to the Defense Production Act to procure critical medical supplies during the coronavirus pandemic. What does the law do?

El Salvador and the Central African Republic have made Bitcoin legal tender, but market volatility has undermined the experiment.

Yemen was suffering one of the world’s worst humanitarian crises. Then the pandemic struck. Now famine is looming, and signals of changing U.S. policy are being closely watched for how that could aff…