Scotsman: A DRIVE to get oil from unconventional fossil fuel sources in the face of soaring prices could have catastrophic effects on the Earth’s climate, a report warned yesterday. With oil prices hitting record highs, the extraction of fuels from tar sands and oil shale is an increasingly attractive option. But according to a study by WWF and Co-operative Financial Services, the fuels are massively energy intensive – creatADVERTISEMENTing as much as eight times as many carbon emissions in …