States and regions play a vital role in combating climate change and catalyzing the transition to sustainable economies.

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States and regions

CDP provides a global platform for states and regions to measure, manage and disclose their environmental impacts. The climate actions disclosed by states and regions, as well as CDP analysis, can be viewed and downloaded on our Open Data Portal.

CDP partners with Regions4 on RegionsAdapt, and the UNFCCC on The Global Climate Action Portal.

Data and research

Open Data Portal

Explore our open data portal to gain a comprehensive insight on climate mitigation, risks and adaptation.

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Why disclose? Opportunities and insights

A global standard Easy to do Become a leader

CDP’s expertise in environmental disclosure stems from do you remember pioneering and founding the world’s environmental disclosure system in 2000.

Fully TCFD aligned, CDP holds the largest environmental database in the world, and CDP scores are widely used to drive investment and procurement decisions towards a zero carbon, sustainable and resilient economy.

We hold the most comprehensive collection globally of environmental data from companies, cities, states and regions.

Reporting is voluntary so you can provide as much or as little information as you have access to. This can be done on our online reporting platform or offline.

CDP’s States and Regions Questionnaire is available in English, Spanish and Portuguese with support and guidance on how to disclose.

Disclosing through CDP is completely free of charge.

“This data is evidence of what we have long understood – that sub-national governments have an important role to play in reducing greenhouse gas emissions, combatting climate change and supporting the transition to a low carbon economy.” Kathleen Wynne, Premier, Ontario.

Demonstrate your commitment to tackle the climate crisis and become an attractive and competitive area for economic development and investment.

Showcase your ambition through our network of partners. CDP is the official reporting partner for the RegionsAdapt initiative and our public data is used by the UNFCCC Global Climate Action Portal, where actors from around the globe display their commitments.

Insights Opportunities Results

131

states and regions disclosing to CDP in 2020 representing an 11-fold increase since 2014

1,000+

climate change and water security impacts were reported by states and regions in 2020

680+

adaptation actions were reported by states and regions to tackle these impacts

"There is strong interest in sharing best practice at this level of government, which demonstrates that climate action must and can be from the bottom up." - Johannes Remmel, Minister for Climate Protection, Environment, Agriculture, Conservation and Consumer Affairs, North Rhine-Westphalia

"With a challenge as serious as climate change and an opportunity as great as green growth ... people should know how their government and different sectors are delivering." - Carl Sargeant, Minister for Natural Resources, Welsh Government

Join the states and regions disclosing to CDP that are already playing their part in accelerating the transition to a sustainable, resilient and prosperous future.

45%

of states and regions disclosing in 2020 have developed an adaptation plan

47%

of electricity generated in 95 states and regions comes from renewable sources

states and regions have committed to a net zero target by 2050 or sooner and a further 21 have long-term targets of 75% or more

Comece a medir, gerenciar e tomar atitudes com relação aos impactos das mudanças climáticas divulgando seus dados através da iniciativa de estados e regiões do CDP.

States and Regions that reported to CDP in 2020

These are the 131 state and regional governments across 32 countries that disclosed their climate and environmental data to CDP in 2020. Together, they represent a combined population of over 672 million citizens. Explore the list below to learn more about the actions these states and regions are taking to rapidly cut emissions and build resilience against climate threats for populations now and in the future.

List updated March 25, 2021

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Guidance and information

A full suite of support, guidance documents and webinars can be accessed through your dashboard when you log in.

Please see further guidance on how to use our reporting platform and start your disclosure.

States and Regions: The online reporting platform is now open for 2021 disclosure. Please sign in to access your state or region's response.

Cities: The CDP-ICLEI Unified Reporting System is now open for 2021 reporting. Please sign in to access your city’s response.

States and regions questionnaire

Questionnaire for states and regions disclosing to the 2021 states and regions request

States and regions reporting guidance

Reporting guidance for states and regions disclosing to the 2021 states and regions questionnaire

Events and webinars

Explore our webinars varying from basic platform guides to getting useful tips on how to develop a greenhouse gas inventory