A group of world business leaders issued a clear call for change this Tuesday, issuing “The Copenhagen Call,” a demand for a global climate treaty. This came after Al Gore, on Sunday, called on attendees to pressure governments around the world to cut greenhouse gas emissions.”The clock is ticking…” Gore Said. “We have to do it this year. Not next year. This year… because Mother Nature does not do bailouts.”"The Copenhagen Call” encourages businesses around the world to adopt a treaty which will help reach GHG reduction targets in 2020 and 2050, and cut global emissions by at least 50% by 2050…