Government scientists are working on a climate assessment that among other things will help predict "sunny day" floods like this one in Miami Beach, Fla., in 2015. Joe Raedle/Getty Images hide caption

Former North Korean deputy ambassador to London Thae Yong Ho speaks during a briefing on Wednesday in Seoul. NurPhoto via Getty Images hide caption

Apollo 1 astronauts Ed White (from left), Gus Grissom and Roger Chaffee, 1967. The astronauts died as a result of a fire in the cockpit during a training session on Jan. 27, 1967. Keystone/Hulton Archive/Getty Images hide caption

Rick Moore, a dairy farmer in Canton, N.Y., has a solar thermal array to heat water he uses to spray down milking equipment. David Sommerstein/North Country Public Radio hide caption

The empty stage for Democratic presidential nominee Hillary Clinton on election night at the Jacob K. Javits Convention Center. Aaron P. Bernstein/Getty Images hide caption

Trucks, including an armored car, pass through U.S. customs in 2016 in Laredo, Texas. John Moore/Getty Images hide caption

Volunteers serve free dinner to homeless people at Robin Hood restaurant in Madrid. Pablo Blazquez Dominguez/Getty Images hide caption

An overlay of a high-resolution photograph of the Women's March shows crowd density. Red areas are the highest density, followed by orange and yellow. In all the photo suggests about 440,000 people attended the march. Digital Design & Imaging Service hide caption

Imad Abu Shamsiyeh, a Palestinian shoemaker from Hebron, filmed an Israeli soldier shooting a badly wounded Palestinian attacker in the head last year. A military court convicted the soldier of manslaughter. Abu Shamsiyeh says he's gotten death threats for filming the attack. Joanna Kakissis/NPR hide caption

Old World climbing fern on a tree island in the Everglades surrounds LeRoy Rodgers of the South Florida Water Management District. Environmentalists say it's one of the worst invasive species the state has faced in a long time. Amy Green/WMFE hide caption

Siphiwe Baleka (left) says he gained 15 pounds when he first started driving a truck; food was comfort and exercise was tough to come by. Trucking, he says, is "the most unhealthy occupation in America." Alex Smith hide caption

Frauke Petry, co-chair of Germany's Alternative for Germany party, and Marine Le Pen, who heads France's far-right National Front attended a conference of European right-wing parties in Koblenz, Germany. France, the Netherlands and Germany all face national elections this year and in each case right-wing populists are in a strong position. Thomas Lohnes/Getty Images hide caption