"Pachauri is chair of the Intergovernmental Panel on Climate Change, which won the 2007 Nobel Peace Prize along with Al Gore. "What we have done is we have increased the concentration of these greenhouse gases in the atmosphere far beyond what has taken place over the last 650,000 years," Pachauri says. "As a result, during the 20th century, we had average warming of about 0.74 degrees Celsius, sea-level rise of about 17 centimeters, and a whole range of impacts, as I mentioned, on human health, on agriculture, on ecosystems... The IPCC Fourth Assessment Report had clearly brought out that if we want to limit temperature increase to two degrees or thereabouts, two to 2.4 degrees Celsius, and if we want to do it at least cost, then emissions will have to peak no later than 2015. And we are now talking about 2020. That means the world will incur a much larger expense in reducing emissions. And in the meantime, we’ll also suffer far more serious impacts of climate change." "
'via Blog this'Nobel-Winning IPCC Chair Rajendra Pachauri Urges Obama to "Listen to Science" on Global Warming: