Japan will provide two billion dollars over three years to help developing countries save their ecosystems, the country's prime minister has announced. Naoto Kan made the pledge at a UN biodiversity summit in the central Japanese city of Nagoya on Wednesday. It comes while there is a growing environmentalist movement in the country. Steve Chao reports from Tokyo on efforts to make the city green through a large-scale beekeeping project.

Shot and edited by Matthew Allard.

Shot on a Canon 1D Mark IV, Canon 5D and Canon 7D.

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