C40 cities: an introduction

5. Avedore CHP plant, Copenhagen Denmark. This is a multifuel CHP plant which can burn, coal, gas, straw and woodpellet. It supplies Electricity to 1.5 million homes and heat to 200,000 homes. (copyright Greenpeace/Reynaers)

Avedore CHP plant, Copenhagen Denmark (copyright Greenpeace/Reynaers)

C40 is a group of the world's largest cities committed to tackling climate change. On this website you will find news and updates on current C40 programmes, information about each of the cities involved, and links to useful documents.

Cities have a central role to play in tackling climate change, particularly as cities bear a disproportional responsibility for causing it. In fact, cities consume 75 per cent of the world's energy and produce 80 per cent of its greenhouse gas emissions. That is why it is so important for cities to work together, set the agenda on this issue and show leadership on this issue.

Through effective partnership working with the Clinton Climate Initiative C40 will help deliver emissions reductions and better energy efficiency.

Best practices

Transport case study

Mexico City, Mexico

Mexico City replaced 3,000 taxis with more fuel efficient models

Events

C40 World Ports Climate Conference

9 – 11 July 2008, Rotterdam, The Netherlands

The city of Rotterdam, Mayor Opstelten will host a workshop for the C40 Large Cities Climate Leadership Group.

Mayor of London Ken Livingstone

"Cities not only have a responsibility to tackle climate change but a real opportunity to make a difference."