Trump revokes former CIA Director Brennan’s security clearance, Parkland students return to school amid new security measures, and Americans rationing insulin as prices skyrocket.

More than 300 ‘predator priests’ in Pennsylvania accused of abuse, relentless storms batter Northeast, and highway bridge collapses in Italy, killing at least 23.

President Trump lashes out at Omarosa on Twitter, FBI fires agent Peter Strzok, who sent anti-Trump texts, and woman fights gun violence by turning illegal firearms into jewelry.

Counter-protesters outnumber white nationalists in Washington on Charlottesville anniversary, Omarosa Manigault Newman says she heard a recording of President Trump using the N-word, and NASA launches historic mission to the sun.

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.