State of the Planet

News from the Columbia Climate School

Energy30

  • By the Numbers: Air Quality and Pollution in New York City

    By the Numbers: Air Quality and Pollution in New York City

    New York City is known for many things, but having clean air isn’t one of them. Explore some of the issues and challenges the Big Apple faces in clearing NYC’s air through interactive maps and data.

  • 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?

  • Fossil Fuel Companies Need to Become Renewable Energy Companies

    No one should underestimate the scale of the challenge that confronts humanity. It will require new technologies and changes in infrastructure, organizational capacity, economic incentives and public policy.

  • 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?

  • The Technological World and the Risk of Nuclear Power

    The modern economy and our way of life depend on new and advancing technology. It especially depends on energy technology.

  • Questioning Carbon Capture and Storage

    Questioning Carbon Capture and Storage

    With billions of dollars around the world being invested into carbon capture and storage, often in the energy sector, there are compelling questions to ask about when, where and for what purpose we use this technology.

  • Slowly Moving to Protect the Environment

    In some cases we do not understand the impact of human actions on the planet and we need to do more observation and analysis to understand those impacts. In other cases we don’t really know how to repair the damage once it has been done.

  • What Five Tech Companies Are Doing About Climate Change

    What Five Tech Companies Are Doing About Climate Change

    Many experts agree that the climate pledges made at COP21 alone will not hold global temperatures below 2˚ C—we also need significant investment in energy technology innovation in order to meet the climate goals. What are the five big tech companies and their founders doing about climate change?

  • The Small Steps That Will Lead to a Low-Carbon Economy

    The renewable energy tax credit, now in place, has been dramatically successful in seeding the solar energy industry. Currently 30% of the cost of the new technology is provided as a tax credit.

Banner with images representing environmental issues and text "You Asked: Our Scientists and Experts Answer Your Burning Questions."

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

  • By the Numbers: Air Quality and Pollution in New York City

    By the Numbers: Air Quality and Pollution in New York City

    New York City is known for many things, but having clean air isn’t one of them. Explore some of the issues and challenges the Big Apple faces in clearing NYC’s air through interactive maps and data.

  • 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?

  • Fossil Fuel Companies Need to Become Renewable Energy Companies

    No one should underestimate the scale of the challenge that confronts humanity. It will require new technologies and changes in infrastructure, organizational capacity, economic incentives and public policy.

  • 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?

  • The Technological World and the Risk of Nuclear Power

    The modern economy and our way of life depend on new and advancing technology. It especially depends on energy technology.

  • Questioning Carbon Capture and Storage

    Questioning Carbon Capture and Storage

    With billions of dollars around the world being invested into carbon capture and storage, often in the energy sector, there are compelling questions to ask about when, where and for what purpose we use this technology.

  • Slowly Moving to Protect the Environment

    In some cases we do not understand the impact of human actions on the planet and we need to do more observation and analysis to understand those impacts. In other cases we don’t really know how to repair the damage once it has been done.

  • What Five Tech Companies Are Doing About Climate Change

    What Five Tech Companies Are Doing About Climate Change

    Many experts agree that the climate pledges made at COP21 alone will not hold global temperatures below 2˚ C—we also need significant investment in energy technology innovation in order to meet the climate goals. What are the five big tech companies and their founders doing about climate change?

  • The Small Steps That Will Lead to a Low-Carbon Economy

    The renewable energy tax credit, now in place, has been dramatically successful in seeding the solar energy industry. Currently 30% of the cost of the new technology is provided as a tax credit.