Excessive outdoor lighting is deadly to animals and takes a toll on human health and wellbeing, too. But when it comes to large-scale environmental problems, this one may be a relatively easy fix.

Luiz Inácio Lula da Silva made environmental protection a central promise of his campaign for the presidency of Brazil. After his victory, Lula said "the world expects Brazil to once again become a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Ambient air pollution is a major threat to human and environmental ...

Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York. When the Environmental Protection Agency was formed in 1970, its ...