Age: THE Federal Government has quietly scrapped a multimillion-dollar advertising blitz to promote its controversial emissions trading scheme amid widespread criticism that its plan is too complex and will do little to tackle global warming. Documents given to The Sunday Age reveal a taxpayer-funded climate change call centre was also canned, after receiving an average of just 16 calls a day at a cost of $52 each. The Government’s campaign — “Think Climate, Think Change” — has …