State of the Planet

News from the Columbia Climate School

Sustainability91

  • Understanding the Sustainable Lifestyle

    While I remain convinced that humans require live interaction and in person contact to be effective, a high proportion of communication is electronic and require few incremental resources to be undertaken. I am quite certain that we spend more time than ever communicating professionally and personally.

  • MSSM Alum Named to 2016 GreenBiz ’30 under 30′

    MSSM Alum Named to 2016 GreenBiz ’30 under 30′

    Prerna Chatterjee (MSSM’15) has been named one of the “30 under 30” people to watch in sustainable business by GreenBiz Group.

  • New Rules to Hold Mining Industry Accountable for Cleanups

    New Rules to Hold Mining Industry Accountable for Cleanups

    A federal court has ordered the U.S. Environmental Protection Agency to ensure that mining companies provide financial assurance that they can pay for any harm to the environment from their operations.

  • Going Electric Adds up to a Good Idea for NYC Buses

    Going Electric Adds up to a Good Idea for NYC Buses

    New York City Transit is considering adding electric buses to its fleet. The purchase price of electric buses is higher than for diesel buses-, but using them would reduce harmful emissions. So is this a good idea?

  • Why Institutional Investors Support Transparency

    Why Institutional Investors Support Transparency

    The increasing technical risks of global natural resource development have been well-documented. What is less understood but no less important are the growing political, regulatory and reputational risks involved in meeting the world’s growing resource needs.

  • Students Travel to the Middle East

    Students Travel to the Middle East

    Students from Columbia University and Tel Aviv University are traveling through Jordan and Israel to learn about environmental challenges facing the two countries. They’ll be posting here about their experiences. You can also follow them on social media at #CUJordanIsrael2016.

  • The False Trade-Off Between Economic Growth and Environmental Protection

    The investment in environmental clean-up often stimulates other upgrades that enable businesses to more effectively compete in a global economy. Moreover, a clean environment reduces illness and that reduces the need for expensive health care.

  • Students Assess City Greenhouse Gas Reduction Tools

    Students Assess City Greenhouse Gas Reduction Tools

    Students in the Master of Public Administration in Environmental Science and Policy (MPA-ESP) program worked this past semester to analyze city-level strategies for reducing greenhouse gas emissions.

  • New York City’s Bag Fee and the Circular Economy

    While the reduction and eventual elimination of fossil fuel use is a key element of such an economy, so too are the public policies and public-private partnerships needed to collect and reuse discarded products and packages. Bag bills and bottle bills can help develop these capacities. In most of the United States, these ideas have…

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • Understanding the Sustainable Lifestyle

    While I remain convinced that humans require live interaction and in person contact to be effective, a high proportion of communication is electronic and require few incremental resources to be undertaken. I am quite certain that we spend more time than ever communicating professionally and personally.

  • MSSM Alum Named to 2016 GreenBiz ’30 under 30′

    MSSM Alum Named to 2016 GreenBiz ’30 under 30′

    Prerna Chatterjee (MSSM’15) has been named one of the “30 under 30” people to watch in sustainable business by GreenBiz Group.

  • New Rules to Hold Mining Industry Accountable for Cleanups

    New Rules to Hold Mining Industry Accountable for Cleanups

    A federal court has ordered the U.S. Environmental Protection Agency to ensure that mining companies provide financial assurance that they can pay for any harm to the environment from their operations.

  • Going Electric Adds up to a Good Idea for NYC Buses

    Going Electric Adds up to a Good Idea for NYC Buses

    New York City Transit is considering adding electric buses to its fleet. The purchase price of electric buses is higher than for diesel buses-, but using them would reduce harmful emissions. So is this a good idea?

  • Why Institutional Investors Support Transparency

    Why Institutional Investors Support Transparency

    The increasing technical risks of global natural resource development have been well-documented. What is less understood but no less important are the growing political, regulatory and reputational risks involved in meeting the world’s growing resource needs.

  • Students Travel to the Middle East

    Students Travel to the Middle East

    Students from Columbia University and Tel Aviv University are traveling through Jordan and Israel to learn about environmental challenges facing the two countries. They’ll be posting here about their experiences. You can also follow them on social media at #CUJordanIsrael2016.

  • The False Trade-Off Between Economic Growth and Environmental Protection

    The investment in environmental clean-up often stimulates other upgrades that enable businesses to more effectively compete in a global economy. Moreover, a clean environment reduces illness and that reduces the need for expensive health care.

  • Students Assess City Greenhouse Gas Reduction Tools

    Students Assess City Greenhouse Gas Reduction Tools

    Students in the Master of Public Administration in Environmental Science and Policy (MPA-ESP) program worked this past semester to analyze city-level strategies for reducing greenhouse gas emissions.

  • New York City’s Bag Fee and the Circular Economy

    While the reduction and eventual elimination of fossil fuel use is a key element of such an economy, so too are the public policies and public-private partnerships needed to collect and reuse discarded products and packages. Bag bills and bottle bills can help develop these capacities. In most of the United States, these ideas have…