As the problem of marine pollution gets serious, people around the world are turning ocean trash into all sorts of useful objects.
Gaskin had a talent for thinking through ways to combine simple living with social engagement. He died on July 1, 2014.
The study highlights the story of Brazil, where increasing indigenous rights to the rainforest helped cut carbon emissions by 3.2 billion tons.
The Appalachian Transition Fellows are young people who will spend this year building diverse job opportunities in the coal-country counties that need them most.
The Inner Harbor Water Wheel is proving to be an effective answer to the city's water pollution problem.
The city's mayor says the move will boost cycling in decades to come, creating a greener and more sociable city.
Edward Burtynsky documents the environmental effects of oil extraction through striking landscape photography.
Organizers agreed that the annual marches have helped raise awareness about the mining project. But their work is far from done.
The film never flinches from the complex connections between economic and environmental problems.
First Nations groups say that the pipeline would disrupt their traditional seafood harvest and endanger their culture.
Solar power can be transformative in places where people have to walk for miles just to charge a cell phone.