Skip to main content
Donate

Up Next

Kofi Annan on 40 Years Trying to End War, Promote Peace

Kofi Annan on 40 Years Trying to End War, Promote Peace

Video
8:22
GOP Scrambles to Contain Damage from Video at Fundraiser

GOP Scrambles to Contain Damage from Video at Fundraiser

Video
13:35
National Pride Is at Heart of China and Japan Dispute

National Pride Is at Heart of China and Japan Dispute

Video
7:12
News Wrap: Pa. Court Rules Review Needed for Voter ID Law

News Wrap: Pa. Court Rules Review Needed for Voter ID Law

Video
3:49
How the Mortgage Crisis in Nevada Will Affect Voters

How the Mortgage Crisis in Nevada Will Affect Voters

Video
9:17
News Wrap: Romney Insists Americans Better Under Him

News Wrap: Romney Insists Americans Better Under Him

Video
4:18
Justice Department on Faulty Operation Along U.S. Border

Justice Department on Faulty Operation Along U.S. Border

Video
6:30
U.S. Eases Sanctions as Myanmar Passes Democratic Reforms

U.S. Eases Sanctions as Myanmar Passes Democratic Reforms

Video
8:04
Bob Woodward on 'The Price of Politics,' Fiscal Fight

Bob Woodward on 'The Price of Politics,' Fiscal Fight

Video
8:25
Chicago Schools Back in Session, Reform Issues Remain

Chicago Schools Back in Session, Reform Issues Remain

Video
11:38
U.S. Voters Engaged: Pew Suggests Big Turnout in Election

U.S. Voters Engaged: Pew Suggests Big Turnout in Election

Video
8:18
Arctic Ice Cap Shrinks to Record Low Level

Arctic Ice Cap Shrinks to Record Low Level

Video
5:46
Back to Show
PBS News Hour

Skeptic No Longer Doubts Human Role in Global Warming

Physicist Richard Muller was one of the scientists who denied climate change and humans' role warming the earth. But after spending years researching and analyzing countless studies, Muller concluded climate change scientists were right, that humans had contributed to the rise in the earth's temperature. Spencer Michels reports.
Support Provided By
September 14, 2025 - PBS News Weekend full episode
26:45
Season 2025 Episode 257
September 14, 2025 - PBS News Weekend full episode
September 14, 2025 - PBS News Weekend full episode
September 13, 2025 - PBS News Weekend full episode
26:45
Season 2025 Episode 256
September 13, 2025 - PBS News Weekend full episode
September 13, 2025 - PBS News Weekend full episode
September 12, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 255
September 12, 2025 - PBS News Hour full episode
September 12, 2025 - PBS News Hour full episode
September 11, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 254
September 11, 2025 - PBS News Hour full episode
September 11, 2025 - PBS News Hour full episode
September 10, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 253
September 10, 2025 - PBS News Hour full episode
September 10, 2025 - PBS News Hour full episode
September 9, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 252
September 9, 2025 - PBS News Hour full episode
September 9, 2025 - PBS News Hour full episode
September 8, 2025 - PBS News Hour full episode
56:44
Season 2025 Episode 251
September 8, 2025 - PBS News Hour full episode
September 8, 2025 - PBS News Hour full episode
September 7, 2025 - PBS News Weekend full episode
26:45
Season 2025 Episode 250
September 7, 2025 - PBS News Weekend full episode
September 7, 2025 - PBS News Weekend full episode
September 6, 2025 - PBS News Weekend full episode
26:45
Season 2025 Episode 249
September 6, 2025 - PBS News Weekend full episode
September 6, 2025 - PBS News Weekend full episode
September 5, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 248
September 5, 2025 - PBS News Hour full episode
September 5, 2025 - PBS News Hour full episode
September 4, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 247
September 4, 2025 - PBS News Hour full episode
September 4, 2025 - PBS News Hour full episode
September 3, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 246
September 3, 2025 - PBS News Hour full episode
September 3, 2025 - PBS News Hour full episode
Show more
Active loading indicator