Shaping the low carbon economy Climate Advisers is a mission-driven policy and politics shop working to deliver a strong low-carbon economy. In the United States and around the world, we create and implement large-scale, cost-effective strategies to strengthen climate action and improve lives.
  • Energy

    We promote clean energy policy
    to deliver the low carbon economy.

  • Forests + Lands Oceans

    We work to reduce emissions from deforestation
    and strengthen the role of natural climate solutions.

  • Financial Markets

    We perform sustainability risk analysis
    to identify climate and sustainability risks.


Climate Advisers brings together globally recognized thought leaders on energy, financial markets, diplomacy, US politics, strategic communications, and forests, lands and oceans. We specialize in breakthrough ideas informed by a deep understanding of complex policy and political challenges.


The latest insight into U.S. and global climate challenges and solutions.

Featured Projects

Climate Advisers combines technical understand and expert analysis with hard-hitting corporate accountability campaigns.
NOTE: some of the links below go to external pages


bcorpClimate Advisers is a mission-driven policy and politics shop working to deliver a strong low-carbon economy. We’re proud to be a Certified B Corporation, a new kind of company which meets higher standards of social and environmental performance, transparency, and accountability. Learn more.

  • Nigel Purvis

    Nigel Purvis is the founding President and CEO of Climate Advisers, a Washington, DC-based consultancy specializing in U.S. climate change policy, international climate change cooperation, global carbon markets, and climate-related forest conservation.

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  • Ameer Azim

    Ameer Azim is a Financial Economist at Climate Advisers Trust, where he focuses on researching the financial impacts of climate responses on the Trust’s areas of coverage. He brings expertise in a range of financial transactions, capital markets, and the developing field of Environmental, Social & Governance (ESG) finance.

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  • Sue Biniaz

    Sue Biniaz is a Distinguished Senior Fellow with Climate Advisers, and specializes in environmental negotiations.

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  • Daniel Bodansky

    Daniel Bodansky is a Distinguished Senior Fellow with Climate Advisers.

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  • Peter Graham

    Peter Graham is Managing Director of Policy and Research at Climate Advisers, where he specializes in forests and land issues.  more >

  • Mark Kenber

    Mark Kenber has worked on environment, climate and energy issues for over two decades, in government, NGOs and the private sector.

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  • Sarah Lake

    Sarah Lake is Managing Director of Supply Chains at Climate Advisers, where she specializes in solutions to commodity-driven deforestation. She brings expertise in data-driven tools to drive private sector action on sustainable land use.

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  • Claire Langley

    Claire Langley is Head of Programs and Managing Director of Policy and Research at Climate Advisers. Claire focuses on international climate & energy policy and diplomacy and international political climate change strategy.
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  • Anthony Mansell

    Anthony Mansell is Director of Policy and Research at Climate Advisers, where he focuses on international climate policy, the role of carbon markets, and aviation. more >

  • Veronica Matthews

    Veronica L. Matthews is the Human Resources Manager at Climate Advisers, where she oversees all aspects of the organizations’ most valuable assets, the people. more >

  • Emma McMahon

    Emma McMahon is a Policy Associate at Climate Advisers, where she manages a wide range of the firm’s policy projects.

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  • Diana Movius

    Diana Movius is the Director of Global Forest Policy, where she specializes in addressing deforestation through international climate policy, climate finance, and supply chains

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  • Liz Mullen

    Liz Mullen is Grants Manager at Climate Advisers, where she provides contractual and financial management support to the organization’s diverse programs.

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  • Matt Piotrowski

    Matt Piotrowski is Senior Analyst at Climate Advisers, focusing on communication outreach with the financial sector, managing and editing the Chain Reaction Research newsletter, and providing analysis for investors to mitigate climate risks. more >

  • Alexandra Saueressig

    Alexandra Saueressig is Executive and Program Assistant at Climate Advisers, where she supports the President and the organization’s operations.

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  • Kyle Saukas

    Kyle Saukas is a Senior Communications Associate at Climate Advisers, where he focuses on executing strategic communications projects for clients and strengthening the Climate Advisers brand.

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  • Bruce Searby

    Bruce Searby serves as Special Counsel to Climate Advisers.  In that role, he serves as Climate Advisers’ thought leader and expert on how to use U.S. and international laws to advance climate action.  Bruce’s current projects at Climate Advisers focus on combatting corruption and other illegal behaviors that drive tropical deforestation.

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  • Ben Simonds

    Ben Simonds is is the Director of Communications at Climate Advisers, where he designs and executes the firm’s communications strategies and is working to grow its communications consulting practice.

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  • Gwynne Taraska

    Gwynne Taraska is the Director of Policy and Research, focusing on international climate and environmental policy and diplomacy. more >

  • Kyra Althaus

    Kyra Althaus is a Communications Intern at Climate Advisers, where she assists in executing the firm’s communications strategies and content creation.

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  • Joshua McBee

    Josh McBee is a Climate Policy Intern at Climate Advisers, where he assists the Policy and Research team on international climate policy and diplomacy projects.

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About Us

Delivering a low-carbon economy that creates prosperity in a changing world requires bringing together the best ideas with practical insights about how the world works. To do that, we work to advance policy and politics simultaneously. We craft innovative policy and conduct transformative analysis. We reenergize static conversations with breakthrough communications, and create strategies to produce high-impact results.


 We work with philanthropies, think tanks, advocacy groups, international institutions, companies and governments.

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1320 19th Street, NW, Suite 300, Washington, DC 20036