A canal in a suburb of Buenos Aires turned a startling shade of bright red on Thursday, leaving residents alarmed as the unusual phenomenon spread into the nearby Rio de la Plata estuary. Images and ...

A stream winding through a populous area on the outskirts of Buenos Aires has turned crimson red, sparking fears of ...

Do you cross the street to put your soda can in the recycling bin or avidly pluck plastics and paper from your neighbor’s trash cans? The current state of recycling in the United States may ...