Scientists say the rain forest is approaching a critical tipping point at which the damage is irreversible.

The debate over how to address persistently low voter turnout is heating up ahead of the midterm elections.

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.

Targeted operations by U.S. forces have eliminated notorious leaders of armed extremist groups, al-Qaeda’s Ayman al-Zawahiri the latest among them. But how much they disrupt these terrorist organizat…

Hezbollah and its allies suffered serious losses in May’s parliamentary elections, and a divided Parliament will likely struggle to agree on a path out of Lebanon’s current crisis.