On Tuesday, May 8, at 7:30 p.m., New Canaan Nature Center trustee and geologist G. Warfield "Skip" Hobbs, will present a lecture and open discussion on "Energy and Climate Change -- The Human Factor."

Hobbs will talk about energy supply and demand, the role of renewable energy sources, climate change and what must be done to adapt to and mitigate the impact of fossil fuels on global warming. The lecture will take place at the Nature Center. It is free for Nature Center members and there is a $10 charge for nonmembers.

Hobbs recently completed a position statement to stimulate discussion on climate and energy in the 2012 election cycle. The "call to action" is being widely distributed to Washington officials, candidates, individuals in the oil business and those in the academic community.

"Access to cheap and abundant fossil fuels -- coal, oil and natural gas, have powered the economies of North America and Europe and made them great," Hobbs said in a statement. "The developing world has now entered the Consumer Age and has an insatiable appetite for fossil fuels," he said. "However, an unexpected consequence of burning fossil fuels for electric power, manufacturing, transportation and heat, is that mankind is altering the earth's climate, and at a rate that may be faster than predicted, with potentially dire consequences. Dealing with climate change requires a fundamental reappraisal of our nation's energy policy, and how we as individuals think about energy use. The historic business model is no longer sustainable. We simply must reduce our emissions of carbon dioxide and other greenhouse gases, and convince the rest of the world to do the same for the good of Planet Earth."

Hobbs is a consulting geologist with an international practice in petroleum, mining and geothermal.

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He is the past president of the American Geosciences Institute, and a former board member, and now co-chairman of the Energy & Environment Committee of the Council of Scientific Society Presidents. He has a bachelor's degree in geology from Yale College and a master's degree in petroleum geology from the Royal School of Mines, Imperial College. Hobbs began his career as an international exploration geologist in the 1970s with Texaco and Amerada Hess. He writes and speaks frequently on energy economics and policy matters.