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An analysis has been completed of the global carbon cycle and climate for a 70,000 year period in the most recent Ice Age, showing a remarkable correlation between carbon dioxide levels and surprisingly abrupt changes in climate.

Costly as it may seem, California's mandate to cut climate-altering exhausts from vehicles and industry by nearly one-third in the next 12 years actually will boost the economy, a state analysis released Wednesday predicts. The improvements in fuel and energy efficiency and extra clean-technology jobs needed to achieve the required 30 percent emissions reduction would result in a net household savings of $400 to $500 a year and a net 0.2 percent or $4 billion gain in the total annual output of goods and services, according to the report.

The disconnect between peak oil concerns and the presidential race is almost total. As prices at the pump rise, each candidate is now talking about their so-called solutions to the problem. Despite clear new warning signs from Russia, Saudi Arabia, Mexico, and Nigeria that peak oil is nigh, the candidates remain unwaveringly oblivious to the true causes of rising fuel prices, preferring instead to dwell on irrelevant-actually, counterproductive-measures like suspending the federal gas tax during the summer months or taxing Big Oil. This is akin to putting a band-aid on a melanoma.

The same technologies that will let us cure diseases, expand the economy, and overcome everyday inconveniences can theoretically bring about catastrophes. Is the risk of apocalypse serious enough for us to relinquish the current pace of technological innovation?

The same technologies that will let us cure diseases, expand the economy, and overcome everyday inconveniences can theoretically bring about catastrophes. Is the risk of apocalypse serious enough for us to relinquish the current pace of technological innovation?