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Engineers turn to beavers for insights into managing water

Beavers and the dams they build are not always embraced in the areas where they do their work. But there's a growing recognition that they also are building a kind of natural infrastructure that helps with water management and the climate. Science correspondent Miles O'Brien went to see the beavers at work during their busy season and has the story for our ongoing coverage of Tipping Points.

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November 15, 2021 - PBS NewsHour full episode
57:46
Monday on the NewsHour, President Joe Biden signs his $1 trillion bipartisan infrastructure bill into law as the future of the rest of his agenda remains in doubt.
November 12, 2021 - PBS NewsHour full episode
56:46
Friday on the NewsHour, negotiations go down to the wire at the global climate summit but meaningful agreements remain elusive.
November 10, 2021 - PBS NewsHour full episode
56:46
Wednesday on the NewsHour, millions of Americans feel a price pinch as inflation in the United States reaches a thirty-year high.
November 5, 2021 - PBS NewsHour full episode
56:44
Friday on the NewsHour, moderate Democrats' demands leave the House vote on the president's spending bill in limbo.
November 3, 2021 - PBS NewsHour full episode
57:46
Wednesday on the NewsHour, President Joe Biden weighs in on the surprising results from Tuesday's key races.
October 29, 2021 - PBS NewsHour full episode
57:46
Friday on the NewsHour, President Joe Biden kicks off an overseas trip, meeting with key world leaders as the fate of his domestic agenda remains uncertain.
October 28, 2021 - PBS NewsHour full episode
57:46
Thursday on the NewsHour, the president unveils the framework of his now $1.75 trillion domestic spending bill, and calls for party unity.
October 27, 2021 - PBS NewsHour full episode
56:45
Wednesday on the NewsHour, Democrats scramble after a key senator breaks with the president on raising taxes on America's wealthiest to pay for the spending bill.
October 19, 2021 - PBS NewsHour full episode
57:46
Tuesday on the NewsHour, President Joe Biden holds high stakes talks at the White House with key factions of his party amid growing concerns about his domestic agenda.
October 13, 2021 - PBS NewsHour full episode
57:46
Wednesday on the NewsHour, "PBS NewsHour" talks with U.S. Commerce Secretary Gina Raimondo as delays in shipments from overseas pushes inflation to hit record highs.
October 12, 2021 - PBS NewsHour full episode
57:46
Tuesday on the NewsHour, top medical experts warn bleeding risks for some older Americans may outweigh the benefits of taking aspirin daily.
October 5, 2021 - PBS NewsHour full episode
57:17
Tuesday on the NewsHour, a former Facebook employee testifies to Congress about the tech giant's harms and lack of accountability.
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