Demands in the streets can be addressed with the peace deal and social policy.

For 58 days, Latin America made history as four women served simultaneously as heads of state.

A study shows 2,500 separate violent incidents targeting environmental defenders. The government, business and society must act.

Manmade problems are still exacerbating a tragedy provoked by natural disaster.

Barack Obama's 2014 decision to normalize ties with Cuba seemed to mark the end of the Cold War in the Western Hemisphere. Then President Trump upended it.

The first of an AQ series revisiting the decade’s 10 most important stories, and why they really mattered.

A look back at the decade's biggest stories, and why they really mattered.