State of the Planet

News from the Columbia Climate School

green economy2

  • Quiet Moves Toward a Renewable Resource Based Economy

    The transition to a sustainable, renewable resource based economy will take decades to complete. Just as our organizations learned to incorporate occupational safety, financial reporting, performance measurement, customer relations, employment law, social media marketing and many other elements into their standard operating procedures, so too will they need to incorporate a concern for the physical…

  • The Tools to Build a Green Economy

    The Tools to Build a Green Economy

    What role does public policy play in encouraging and facilitating the green economy? What are the policy tools and incentives that steer green investment effectively?

  • Sustainability Policy Is Taking Hold in China

    I left China encouraged by the widespread receptivity to the theory and practice of sustainability, but aware of the huge challenge that lies ahead. As we flew from Guiyang to Beijing for the return flight home, I looked down and saw a countryside dotted with scores of windmills. The transition from a coal-based economy to…

  • EPA’s Upcoming Carbon Rules: A Primer

    EPA’s Upcoming Carbon Rules: A Primer

    On Monday, June 2, President Obama will announce proposed federal rules aimed at curbing carbon emissions from existing U.S. power plants–possibly a landmark in U.S. climate policy. It is uncertain how far the rule will go, and the announcement is being closely watched around the world.

  • A Faustian Choice: Population and Environment

    A Faustian Choice: Population and Environment

    Population growth is a key contributor to the pressures pushing at our planetary boundaries. In Rio+20 discussions, implications of population growth have become shrouded in platitudes. It is important that discussions on planetary limits clearly lay out possible strategies that can alleviate these pressures.

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • Quiet Moves Toward a Renewable Resource Based Economy

    The transition to a sustainable, renewable resource based economy will take decades to complete. Just as our organizations learned to incorporate occupational safety, financial reporting, performance measurement, customer relations, employment law, social media marketing and many other elements into their standard operating procedures, so too will they need to incorporate a concern for the physical…

  • The Tools to Build a Green Economy

    The Tools to Build a Green Economy

    What role does public policy play in encouraging and facilitating the green economy? What are the policy tools and incentives that steer green investment effectively?

  • Sustainability Policy Is Taking Hold in China

    I left China encouraged by the widespread receptivity to the theory and practice of sustainability, but aware of the huge challenge that lies ahead. As we flew from Guiyang to Beijing for the return flight home, I looked down and saw a countryside dotted with scores of windmills. The transition from a coal-based economy to…

  • EPA’s Upcoming Carbon Rules: A Primer

    EPA’s Upcoming Carbon Rules: A Primer

    On Monday, June 2, President Obama will announce proposed federal rules aimed at curbing carbon emissions from existing U.S. power plants–possibly a landmark in U.S. climate policy. It is uncertain how far the rule will go, and the announcement is being closely watched around the world.

  • A Faustian Choice: Population and Environment

    A Faustian Choice: Population and Environment

    Population growth is a key contributor to the pressures pushing at our planetary boundaries. In Rio+20 discussions, implications of population growth have become shrouded in platitudes. It is important that discussions on planetary limits clearly lay out possible strategies that can alleviate these pressures.