Nbc Nightly News

Rapper Meek Mill was part of a group that launched the Reform Alliance, a new organization aimed at reforming the criminal justice system in the United States. He talks to Lester Holt about how he turned the momentum from #FreeMeekMill into a push for justice for all.

Sebastian Maniscalco has sold out shows at Madison Square Garden, written a best-selling memoir and performed specials on cable and Netflix. He talks to Lester Holt about his major influences – especially his dad

For millions of people every day, meditation apps like “Headspace” are offering quick ways to calm down. NBC News’ Kate Snow speaks with the app’s co-founder Andy Puddicombe on how people can achieve inner peace wherever they are.

Lester Holt sat down with Steven Spielberg to talk about the legacy of “Schindler’s List,” which was released 25 years ago, and the decision to re-release.

Two art projects aim to raise questions about what gets sent to space and what lingers after. Chief Environmental Affairs Correspondent Anne Thompson reports on how they’ve sparked debate among astronomers.

Chief Environmental Affairs Correspondent Anne Thompson talks to Xiuhtezcatl Martinez, a hip-hop artist and environmental activist, who is part of a group suing the federal government over inaction on climate change.

Baby sea turtles make an arduous journey to the sea, and light pollution is one of the many factors that make the trek more difficult. Chief Environmental Affairs Correspondent Anne Thompson reports from Cocoa Beach, Florida, on efforts to protect these vulnerable turtles.

A number of scientists are becoming first-time politicians, many motivated to run for office by what they say is an attack on science by the Trump administration. Chief Environmental Affairs Correspondent Anne Thompson reports.

An international competition with a $10 million prize hopes to find a solution to harmful algae blooms caused by agricultural runoff. Chief Environmental Affairs Correspondent Anne Thompson reports from Ontario.

Sen. Sheldon Whitehouse (D-RI) delivers a weekly speech on the Senate floor urging action on climate change. He speaks to Chief Environmental Correspondent Anne Thompson about his efforts.

Fishermen have been pulling in a different kind of catch in the Florida Keys: lobster traps and fishing gear lost at sea. Chief Environmental Affairs Correspondent Anne Thompson reports on how some of that debris is being turned into energy.

Chief Environmental Affairs Correspondent Anne Thompson travels to Dillingham, Alaska to report on a controversial copper mine proposal that some say could threaten the world’s largest salmon run.