London’s environment needs to be maintained and protected and its resources (water, energy and waste) used more efficiently. We are working hard to reduce air pollution and greenhouse gas emissions in London, to help tackle climate change and increase the city’s resilience to extreme weather. We are also enhancing London’s green and open space and developing the capital’s ‘green economy’– all with the aim of improving Londoners’ quality of life.

Flashing energy efficient lightbulbs
Do you have a great idea to cut London's carbon emissions? You could win £20k and be the next Low Carbon Entrepreneur. More
Victoria Embankment (Forestry Commission)
The Mayor has committed to plant an additional 10,000 street trees by March 2015. In rounds one and two we planted over 6,300 trees across 23 boroughs. This planting... More
Part of green roof map
Check out our new green roof map. It shows there are around 700 green roofs in central London alone, covering an area of over 175,000m2. That’s 17.5 hectares or around... More
In summer 2014 thousands of volunteers across London joined the Capital Clean-up to help spruce up their neighbourhoods. More