From PBS NewsHour.

Across the country, new weather extremes are testing aging dams. According to the federal government’s most recent climate assessment, the number of extreme precipitation days in the Midwest has increased 45 percent since the 1950s. Del Shannon, former president of the United States Society on Dams, joins John Yang to discuss.

Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.

Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6

Follow us:
TikTok: https://www.tiktok.com/@pbsnews
Twitter: http://www.twitter.com/newshour
Instagram: http://www.instagram.com/newshour
Facebook: http://www.pbs.org/newshour

Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe