Jonathan Schell, a leader of the anti-nuclear movement, offers motivation and tactical advice to the new generation of climate activists.

Robert Shetterly's remarkable collection of portraits reminds us of the dignity, courage and importance of America's truth tellers. Here we offer curriculum tools to support the series.

Five years ago, the Indian Ocean tsunami allowed resort developers in Thailand to push indigenous coastal communities off their land. Villages are fighting back—and winning legal rights to their homes.

Despite its disappointments, the climate summit in Copenhagen marks a turning point—the end of denial. What's next is recognizing that our climate problem is really a justice problem.

With survival at stake, the world can still come together over values like sharing and accountability.

Debt relief has allowed poor nations to pay for schools and health care instead of loan interest. A new bill in the U.S. Congress would offer relief to more countries and make lending more responsible.

By regaining public ownership of natural resources and focusing on social programs, the Morales administration has achieved record growth despite the recession.

This Central American country tops the Happy Planet Index.