Some street food vendors are still using cooking oil made from garbage.
If researchers want to study the connection between environmental disaster and popular concern, acid rain would be a good place to start.
From the Love Canal disaster to Greenpeace's efforts to save the whales and beyond, a new documentary tracks the rise of environmentalism.
Say hello to a car without any of the fat.
Photographer David Maisel has a knack for capturing the beauty and the horror of contaminated mines and toxic lakes.
A focus on placemaking can drive the green movement.
An Australian artist hopes to get people thinking about deforestation by using the "powerful stimulant" of the color blue.
A handy graphic illustrating where CO2 emissions are dropping fastest.
Sana'a could literally run out of water by 2017. And so far, very little has been done