A leading authority on international economics and sustainable development, Jeffrey Sachs has been an outspoken proponent for addressing the problem of human-induced climate change. He is the director of The Earth Institute and professor of Health Policy and Management at Columbia University, as well as a special advisor to United Nations Secretary General Ban Ki-moon. Here, Sachs talks with FRONTLINE/World producer Martin Smith about what’s needed to address the urgent issue of global warming.
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Dr. Rajendra Pachauri is chairman of the Intergovernmental Panel on Climate
Change (IPCC). The IPCC was established under the United Nations in 1988 to
provide policy makers with the latest scientific data on global climate change.
In 2007 the IPCC, together with Al Gore, was awarded the Nobel Peace Prize.
In this interview with reporter Martin Smith, Pachauri says the developed world
has an "historical responsibility" to act first on climate change
after "150 plus years" of unchecked pollution. He also gives reasons
why he is optimistic that society can meet the climate challenges ahead. READ
A physicist who studied physical oceanography, Joseph Romm is a senior
fellow at the Center for American Progress and writes the blog climateprogress.org.
Before that, he spent five years at the Department of Energy in the Office
of Energy Efficiency and Renewable Energy, a $1 billion program responsible
for much of the nation's clean energy and greenhouse gas research and development.
In this interview with producer Chris Durrance, Romm describes his four biggest
climate concerns, and why he says the solution to global warming "is the straight
application of money."
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Lonnie Thompson is a paleoclimatologist who studies ancient weather patterns, dating back hundreds of thousands of years. He has drilled ice cores in glaciers from the Himalayas to the Andes, and has become one of the world’s foremost authorities on the evidence of climate change. Thompson is a distinguished university professor in geological sciences at Ohio State University, and a research scientist at the Byrd Polar Research Center. Here, he talks with reporter Martin Smith about the impact of accelerating ice loss across the Himalayas, which serve as a water tower for more than one third of the world's population. READ INTERVIEW >>