R.K. Pachauri

R.K. Pachauri is Director-General, The Energy & Resources Institute, New Delhi, India, and Chairman, Intergovernmental Panel on climate Change, and Director, Yale Climate and Energy institute, United States.

The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC), which was completed in 2007 stated that: "Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising global average sea level."