What has Bristol achieved as Europe's 'Green Capital'?
26 November 2015 Last updated at 10:37 GMT
Climate change is one of the biggest threats the world faces today and next week Paris plays host to a major international conference on climate change.
Closer to home, Bristol has been serving as the 2015 European 'Green Capital', and will play a key role at the summit to raise awareness about what cities can do to tackle climate change.
BBC Breakfast's John Maguire visited Bristol to see how it has risen to the challenge.