Today, the total oil and natural gas production provides about 60 percent of global energy consumption. This percentage is expected to peak about 10 to 30 years from now, and then be followed by a rapid decline, due to declining oil reserves and, hopefully, sources of renewable energy that technologies that will become more economically viable. But will there be the technology breakthroughs needed to make clean and exhaustible energy cost effective?
Nobel prize winner Walter Kohn, Ph.D., from the University of California Santa Barbara said that the continuous research and development of alternate energy could soon lead to a new era in human history in which two renewable sources — solar and wind — will become Earth’s dominant contributor of energy.
“These trends have created two unprecedented global challenges”, Kohn said, speaking at the American Chemical Society’s national meeting. “One is the threatened global shortage of acceptable energy. The other is the unacceptable, imminent danger of global warming and its consequences.”
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The nations of the world need a concerted commitment to a changeover from the current era, dominated by oil plus natural gas, to a future era dominated by solar, wind, and alternative energy sources, Kohn said, and he sees that beginning to happen.
The global photovoltaic energy production increased by a factor of about 90 and wind energy by a factor of about 10 over the last decade. Kohn expects vigorous growth of these two energies to continue during the next decade and beyond, thereby leading to a new era, what he calls the SOL/WIND era, in human history, in which solar and wind energy have become the earth’s dominant alternative energies.
Kohn noted that this challenge require a variety of responses. “The most obvious is continuing scientific and technical progress providing abundant and affordable alternative energies, safe, clean and carbon-free,” he said.
One of the biggest challenges might be leveling off global population, as well as energy consumption levels.
Source: American Chemical Society