Climate change London’s climate is changing. We’re having hotter, drier summers and warmer, wetter winters. Surface water An overview of surface water issues in London, and how sustainable drainage can help tackle it. Climate change expertise The London Climate Change Partnership is a centre of expertise on resilience to extreme weather and climate change. Water Water is vital to our quality of life – in London we use more than 2.6 billion litres every day. Business Climate Leaders The Mayor of London is working with businesses to help step up the fight against climate change. Environment publications Environment Strategy The Mayor's draft London Environment Strategy published in August 2017 Climate Change Mitigation The Mayor’s Climate Change Mitigation and Energy Annual Report provides an update on activity undertaken in 2011-13. London Sustainable Drainage Action Plan The Mayor and his partners have published the final version of the London Sustainable Drainage Action Plan Environment newsletter Sign up now to receive updates on environmental policy, projects, events and opportunities.