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    Accelerating sustainability

    Explore how Microsoft is enabling the planet and its people to thrive.

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    2025 Environmental Sustainability Report

    Read about Microsoft’s progress toward our climate
goals and how we’re accelerating sustainability.

    Explore our annual report

    2025 Environmental Sustainability Report

    Read about Microsoft’s progress toward our climate
goals and how we’re accelerating sustainability.

    Explore our annual report

    Explore our impact

    Understanding water positivity at Microsoft

    Understanding water positivity at Microsoft

    How we’re empowering local water solutions

    How we’re empowering local water solutions

    Transforming Microsoft’s cloud supply chain

    Transforming Microsoft’s cloud supply chain

    Advancing circular economies through policy advocacy

    Advancing circular economies through policy advocacy

    Building markets for low-carbon fuel

    Building markets for low-carbon fuel

    Sustainable by design: Innovating for zero waste

    Sustainable by design: Innovating for zero waste

    Our next-generation datacenters consume zero water for cooling

    Our next-generation datacenters consume zero water for cooling

    Supporting conservation of the Amazon through bioacoustics

    Supporting conservation of the Amazon through bioacoustics

    Melanie Nakagawa

    The world needs every tool at its disposal, and the potential of AI to accelerate sustainability is already being realized.

    Melanie Nakagawa

    Corporate Vice President, Chief Sustainability Officer, Microsoft

    monthly newsletters about energy and sustainability stories

    Sustainably Speaking

    Get monthly newsletters about energy and sustainability stories, innovations,
and progress from Melanie Nakagawa, Chief Sustainability Officer at Microsoft, and other experts.

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    Innovation and opportunity at our datacenters

    Over 90%

    Over 90% of our datacenter capacity uses closed loop liquid cooling, requiring water only once during construction and continually reusing it with no evaporation losses.

    Up to 35%

    Microsoft is reducing server energy consumption by using low-power states for idle or underutilized servers, which lowers energy use by up to 35%.

    Innovation and opportunity at our datacenters

    Over 90%

    Over 90% of our datacenter capacity uses closed loop liquid cooling, requiring water only once during construction and continually reusing it with no evaporation losses.

    Up to 35%

    Microsoft is reducing server energy consumption by using low-power states for idle or underutilized servers, which lowers energy use by up to 35%.


    Global water access
    & replenishment projects

    We’re supporting 89 water replenishment and access projects with partners, communities, and innovations to drive lasting impact.

    View our water replenishment portfolio
    View our water access portfolio

    Devices designed
for a circular future

    All components in our electronic devices are designed with optimal reuse and recovery in mind. Surface Copilot+ PCs are engineered for a circular economy, reducing waste at every stage.

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    AI for Sustainability

    We’re using AI-powered solutions to accelerate biodiversity protection, clean energy, and resource efficiency.

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