Thai Lanna Tradition Dancing for Earth Hour at Chang Mai, northern Thailand.

Polar Bear mascot press conference on Earth Hour Thailand, March 16, 2010

Earth Hour switch off at Chang Mai, Thailand, 2010

Earth Hour at Khon Kaen, Thailand

Pre-event for Earth Hour Thailand 2010

Beam, popular Thai singer, joins Earth Hour in Chang Mai, northern Thailand.

Chang Mai's Governor, Earth Hour 2010

Earth Hour, Chang Mai, Thailand

Photo exhibition themed on climate change displayed at Earth Hour in Chang Mai, northern Thailand.

People pledge their support for Earth Hour at Khon Kaen, Thailand, 2010.

Children sign up to take action on climate change during Earth Hour celebrations at Khon Kaen, Thailand, 2010.