Actor Hugh Jackman (C) speaks as UN Secretary General Ban Ki-Moon (L) and The Climate Group CEO Steve Howard look on, during the opening ceremony of Climate Week NY°C at the New York Public Library in New York on September 21, 2009. The event, an initiative of global non-profit The Climate Group, in partnership with the UN, the Government of Denmark, the City of New York, the TckTckTck campaign and the Carbon Disclosure Project, aims to support UN Secretary-General Ban Ki-Moon's call to secure a global climate deal. Getty Images logo Getty Images 2 months ago

Actor Hugh Jackman (C) speaks as UN Secretary General Ban Ki-Moon (L) and The Climate Group CEO Steve Howard look on, during the opening ceremony of Climate Week NY°C at the New York Public Library in New York on September 21, 2009. The event, an initiative of global non-profit The Climate Group, in partnership with the UN, the Government of Denmark, the City of New York, the TckTckTck campaign and the Carbon Disclosure Project, aims to support UN Secretary-General Ban Ki-Moon's call to secure a global climate deal.