epa04414195 Cargill Incorporated chief executive officer, David MacLennan, speaks during a Climate Summit meeting at United Nations headquarters in New York, New York, USA, 23 September 2014. The Climate Summit, which was called by United Nations Secretary-General Ban Ki-moon to attempt to push global action on climate issues, is being held the day before the opening of the General Debate of the United Nations General Assembly. EPA/PETER FOLEY