What is C40? / Past & Future

The C40 Large Cities Climate Leadership Group comprises 40 of the largest cities in the five continents of the world.
It was advocated by the Mayor of London and established in 2005 to create a network of the world's large cities dedicated to working together to reduce greenhouse gas emissions.
The Tokyo Metropolitan Government became a member of this network in December 2006, with the aim to learn from the best practices of the world's cities in reducing emissions and use this knowledge for the formulation of metropolitan policies, as well as to promote Tokyo's pioneering climate change measures and technologies to the cities of the world.
(Past & Future Conferences)

The C40 Summit is held biennially with the participation of city mayors. The C40 Tokyo Conference on Climate Change invited the participation of
elected officials, senior officers, and department directors in charge of
environment issues.


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