Global Warming | ISSUE

Mexican President Felipe Calderon delivers his speech on "Preserving Our Common Heritage: Promoting a Fair Agreement on Climate Change" during a lecture at the United Nations University in Tokyo, Japan, Tuesday, Feb. 2, 2010. Calderon was on a three-day official visit to Japan.

Mexican President Felipe Calderon delivers his speech on "Preserving Our Common Heritage: Promoting a Fair Agreement on Climate Change" during a lecture at the United Nations University in Tokyo, Japan, Tuesday, Feb. 2, 2010. Calderon was on a three-day official visit to Japan.

Mexican President Felipe Calderon delivers his speech on "Preserving Our Common Heritage: Promoting a Fair Agreement on Climate Change" during a lecture at the United Nations University in Tokyo, Japan, Tuesday, Feb. 2, 2010. Calderon was on a three-day official visit to Japan.

Larry Summers, Director of the National Economic Council, Executive Office of the President, USA, speaks during a session 'The US Economic Outlook' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Larry Summers, Director of the National Economic Council, Executive Office of the President, USA, speaks during a session 'The US Economic Outlook' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Larry Summers, Director of the National Economic Council, Executive Office of the President, USA, speaks during a session 'The US Economic Outlook' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Larry Summers, Director of the National Economic Council, Executive Office of the President, USA, speaks during a session 'The US Economic Outlook' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Thailand's Prime Minister Abhisit Vejjajiva, right, speaks with the media in the hallway at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Iranian Foreign Minister Manouchehr Mottaki, center, and Afghan Foreign Minister Abdullah Abdullah, left, speak with the media in the hallway at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Thailand's Prime Minister Abhisit Vejjajiva speaks with the media in the hallway at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Michael W. Laphen, Chairman and CEO of Computer Sciences Corporation, USA, speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

William D. Green, Chairman and CEO of Accenture, USA, speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Michael W. Laphen, Chairman and CEO of Computer Sciences Corporation, USA, speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Joel D. Selanikio, Director of DataDyne, USA, speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Chairman and CEO of Google Eric Schmidt speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Chairman and CEO of Google Eric Schmidt speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Chairman and CEO of Google Eric Schmidt speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Chairman and CEO of Google Eric Schmidt speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Chairman and CEO of Google Eric Schmidt speaks during a session 'Technology for Society' at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.

Britain's Foreign Secretary David Miliband, right, speaks with Afghanistan's Foreign Minister Abdullah Abdullah, left, and India's Minister of Road Transport Kamal Nath in the hallway at the World Economic Forum in Davos, Switzerland on Friday Jan. 29, 2010. Climate change moves to the forefront at the World Economic Forum with the question of what steps world governments, big business and activists can take together to find a path that is both effective environmentally but won't break the bank.