Australian Broadcasting Corporation: US President George W Bush is hoping that world leaders at next week’s G8 summit in Japan can reach a long-term goal for reducing greenhouse gas emissions. President George W Bush says he will remind the G8 summit that the US is trying to reduce greenhouse gas emissions and is investing in clean energy technology. “There’s a consensus that it’s a problem, but it’s tough to get a consensus that all of us have a responsibility to do something about it, not just some, but all …