Former U.S. Vice President Al Gore's global warming documentary will be sent to every secondary school in England as part of a campaign to tackle climate change, the government said Friday. British Environment Secretary David Miliband and Education Secretary Alan Johnson announced plans to distribute Gore's film, "An Inconvenient Truth" (by Davis Guggenheim) on the day the Intergovernmental Panel on Climate Change report was published in Paris. The report by leading scientists, said global warming has started and is "very likely" caused by humans. AP reports.