Utah, Minnesota, and Washington have seen traffic fatalities decline by 40 percent. Here's how they did it.
Open source software brought us Linux and Wikipedia. Can it help us tackle the challenge of climate change?
Unless the legal foundation for local self-governance is truly built on the rights of communities, victories like the one in New York can easily be overturned.
Three major international meetings about climate change are on the horizon. Is this the moment to fix the failures of Copenhagen?
Meanwhile, more Americans got insured, the oceans continued to become more acidic, and the world’s largest collection of rubber ducks grew at a rapid pace.
As environmental lawyer and author Gus Speth once said, "Politicians ride the waves. People's movements make the waves."
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.