Uma verdade inconveniente

Uma verdade inconveniente, filme de Al Gore sobre o aquecimento global

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A ler: The truth about "global warming" is much less dire than Al Gore wants you to think

But during these 35 years of growing population, employment, and industrial production, the Environmental Protection Agency reports, the environment has substantially improved. Emissions of the six principal air pollutants have decreased by 53%. Carbon monoxide emissions have dropped from 197 million tons per year to 89 million; nitrogen oxides from 27 million tons to 19 million, and sulfur dioxide from 31 million to 15 million. Particulates are down 80%, and lead emissions have declined by more than 98%.