Hawaii implements climate tax for tourism, Trees in cities can save lives, World&...

The vacation season is starting again. One persons’s joy, another persons’s sorrow: many cities, islands and coasts are affected...

Fish-friendly river turbine powers up to 60 homes, the Digital Human Rights Lab,...

Activist Pushes Chinese Factories to Clean Up, Device Translates Brainwaves into...

By publishing online maps of environmental violations, Ma Jun has pushed over 1,300 Chinese factories to address pollution problems;...

Argentina broadens access to medical marijuana, Cambodia is winning the fight against...