Up Next
Back to Show
PBS News Hour
In Oregon, Swarms of Pine Butterflies Take Toll on Forests
In Oregon's Malheur National Forest, pine butterflies experience a population explosion for two to three years every three decades. Oregon Public Broadcasting's Oregon Field Guide series explores the snowstorm-like population surge that has stripped needles from 250,000 acres of trees.
Support Provided By
5:36:52
Watch the 2023 State of the Union address on Feb. 7. The NewsHour’s special coverage will begin at 6 p.m. EST.
2:15:26
President Joe Biden will deliver his State of the Union address March 7 as he gears up for a reelection bid that seems likely to be a rematch with his last election opponent.