Naomi Oreskes, author and professor of history and science studies at the University of California, San Diego, delivered a presentation based on her book, *Merchants of Doubt: How a Handful of Scientists Obscure the Truth about Climate Change*.

This lecture was part of the University of Rhode Island's Spring 2010 Vetlesen Lecture Series, "People and Planet Global Environmental Change," held on March 2, 2010.

You can order *Merchants of Doubt* from Amazon.com.

Many Americans still doubt global warming, attributing it to natural variability or believing scientists are undecided. This widespread mistrust of scientific consensus is a significant issue.

Join scientist and historian Naomi Oreskes as she explores the reasons behind this misunderstanding. She will delve into the history of organized campaigns designed to sow public doubt and confusion about scientific findings.

This event is part of the "Perspectives on Ocean Science" series.

Dr. Chris Charles explores how ongoing greenhouse gas additions affect Earth's climate variability. He explains how geological archives provide new insights into humanity's impact on our planet's climate.

This presentation is part of the "Perspectives on Ocean Science" series, originally recorded in October 2004.

EarthSayers.tv presents journalist and best-selling author Amy Goodman of Democracy Now, speaking at the Green Festival in Seattle on June 6, 2010. Her speech, "Drilling, Spilling, Killing: From Oil Wells to Oil Wars," covered her first-hand experience with the Gulf of Mexico oil spill, a humanitarian aid mission to Gaza, and her lawsuit against St. Paul officials for wrongful arrest during the Republican National Convention.

This seven-part speech is available on YouTube. It was recorded by Ruth Ann Barrett, Producer of EarthSayers.tv, which features voices of sustainability.

President-elect Barack Obama addressed the Global Climate Summit in Beverly Hills, California, on November 18-19, 2008, promising "a new chapter of American leadership on climate change."

His subsequent engagements included Climate Change Talks in 2009 (details here), speeches on climate change in 2013 (details here), and discussions on reducing carbon pollution from power plants in May 2014 (details here).

Andrew Revkin's New York Times blog, Dot Earth (launched 2007), explores global sustainability.

This initiative is vital as the world faces an impending population of nine billion and a growing consensus on the significant dangers posed by climate change.