Reuters: Former US Vice President Al Gore on took aim at skeptics who doubt the reality of human-caused climate change, saying he wished it were an illusion but that the problem is real and urgent. Gore, who has made the fight against climate change his signature issue since leaving the White House in 2001, specifically addressed challenges to the accuracy of findings by the UN Intergovernmental Panel on Climate Change. “I, for one, genuinely wish that the climate crisis were an …