The new short, narrated by Morgan Freeman, premiered before world leaders on Tuesday at the UN climate change summit. Watch it here, along with an interview with the filmmakers.

Kelsey Juliana, an 18-year-old activist, is fighting climate change in the courts and walking across the country to spread the word on global warming.

Two successful community organizers join forces to improve the lives of working Americans and make corporations pay their fair share in taxes.

The writer and commentator says groups across the country are stepping up the fight for economic, political and social justice.

In 2014, Lessig led a two-week, 185-mile trek through the frigid cold in January, educating people about the issues of corruption, campaign finance and dark money, while recruiting supporters along the way.

Lawyer and activist Michelle Alexander tells Bill about an emerging movement that aims to end mass incarceration and its impact on America.

In a rare television interview, this visionary author, environmentalist and farmer discusses a sensible, but no-compromise plan to save the Earth.

Green Shadow Cabinet members Jill Stein and Margaret Flowers talk about the causes they're being arrested for as they tackle political corruption.

John Nichols and Robert McChesney say the money and media complex is sabotaging our elections. Where do we go from here?

Historian Peter Dreier shares why he’s optimistic about America’s future, including dynamic grass-roots initiatives around the country and, believe it or not, the radical politics of Dr. Seuss.