State of the Planet

News from the Columbia Climate School

sustainability metrics2

  • Hundreds of Ways to Measure Sustainability

    Hundreds of Ways to Measure Sustainability

    Private companies and organizations in the public and non-profit sectors have begun to embrace the idea of sustainability: How to operate in ways that reduce consumption of water, energy and other resources, and help keep from depleting the planet’s natural resources. But how do we measure progress? Reliable metrics are needed – to understand what…

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • Hundreds of Ways to Measure Sustainability

    Hundreds of Ways to Measure Sustainability

    Private companies and organizations in the public and non-profit sectors have begun to embrace the idea of sustainability: How to operate in ways that reduce consumption of water, energy and other resources, and help keep from depleting the planet’s natural resources. But how do we measure progress? Reliable metrics are needed – to understand what…