PBS NewsHour | Skeptic No Longer Doubts Human Role in Global Warming » Video » Iowa Public Television

Welcome to Iowa Public Television! If you are seeing this message, you are using a browser that does not support web standards. This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device. Read more on our technical tips page.

PBS NewsHour | Skeptic No Longer Doubts Human Role in Global Warming | PBS

Duration: 10:26
Program: PBS NewsHour #10446
Broadcast Date: Sep. 17, 2012

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.

Tags:

Topics:

Related Video

Now Playing

PBS NewsHour | Skeptic No Longer... (#10446)

Climate Change Skeptic No Longer Doubts Human Role in Global Warming 10:26
Play Video

PBS NewsHour | News Wrap: Chinese... (#10446)

News Wrap: Chinese Protests over Japan's Islands Acquisition 02:19
Play Video

PBS NewsHour | Surge of 'Green on... (#10446)

Surge of 'Green on Blue' Attacks Has Great Cost for U.S. 07:24
Play Video

PBS NewsHour | Middle Eastern... (#10446)

Facing Uncertainty, Middle Eastern Christians Are Increasingly Emigrating 08:25
Play Video

PBS NewsHour | Doctors Are... (#10446)

Medicare Patients Aren't Getting Sicker or Older, But Doctors Are Charging More 06:44
Play Video

PBS NewsHour | Poll Numbers... (#10446)

Poll Numbers Sliding, Mitt Romney Plans to Offer Policy Specifics 12:12
Play Video

PBS NewsHour | Weekly Poem by... (#10446)

U.S. Poet Laureate Natasha Trethewey reads "Elegy," a poem from her new book "Thrall." 02:20
Play Video

PBS NewsHour | Democrats Hope to... (#10446)

Democrats Hope to Reignite Enthusiasm from 2008 Presidential Election 03:10
Play Video

PBS NewsHour | As Convention... (#10446)

As Convention Ramps Up, Democrats Pay Special Attention to Unions on Labor Day 06:35
Play Video

PBS NewsHour | Democrats on... (#10446)

Democrats Play Offense in the South in Hopes of Turning Some Red States Blue 07:39
Play Video

PBS NewsHour | Shields and... (#10446)

Shields and Brooks on the DNC, Platform Agenda and Firing Up the Democratic Base 08:31
Play Video

PBS NewsHour | Talking Democratic... (#10446)

Talking Official Democratic Party Agenda with Stephanie Cutter 07:14
Play Video

PBS NewsHour | To Win Over N.C.... (#10446)

To Win Over North Carolina Voters, Organizing Democrats on the Ground 03:43
Play Video

PBS NewsHour | Flooding,... (#10446)

News Wrap: Flooding, Evacuations, Electrical Outages Remain One Week After Isaac 04:22
Play Video

PBS NewsHour | Labor Leaders talk... (#10446)

Union Leaders Discuss State of U.S. Labor as Attacks Rise, Membership Goes Down 09:59
Play Video

PBS NewsHour | Monday, January...

Full Program: PBS NewsHour for Monday, January 21, 2013 55:51
Play Video

PBS NewsHour | 'We Are Made...

'We Are Made for This Moment': Obama's Address Stressed Equality, Fairness 23:02
Play Video

PBS NewsHour | Shields and...

Shields and Brooks: More Sure-Footed Obama Lays Out Long Game 10:11
Play Video

PBS NewsHour | Historical Views...

Historical Views on the Inauguration, a 'Holy Day in Our Civic Religion' 06:38
Play Video

PBS NewsHour | Larger Than...

Larger Than Expected Inauguration Crowd Share Joy, Future Hopes 07:23
Watch more video from this program

Post Date: September 17, 2012