State of the Planet

News from the Columbia Climate School

carbon tax3

  • Hillary Clinton Is Right on Climate Change and the New York Times Is Wrong

    I would argue that given human behavior and organizational inertia it is better to subsidize something new than tax something old. A subsidy, like a sale, sometimes stimulates changed behavior. But a tax may or may not influence behavior.

  • How the Transition to Renewable Energy Could Come

    In the United States, our political process sends us strong signals about what problems and proposals can achieve agenda status. Increased federal support for science and technology will not be easy, but unlike a carbon tax, it is capable of drawing bipartisan support.

  • A Carbon Tax Is Not Feasible or Practical

    The idea behind the carbon tax is that by raising the price of fossil fuels, one promotes energy efficiency and, as fossil fuels become more expensive, renewable energy technologies will become more competitive. I am certain this is true. But few elected officials are going to advocate higher fossil fuel prices.

  • Jeffrey Sachs and Senator John Kerry on Energy

    Professor Sachs mentioned feed-in tariffs as an innovative way to decrease our dependency on fossil fuels and increase investments in renewables. They are a fairly simple and cost-effective way to jump-start production of renewable energy. Feed-in tariffs have been used to transition many European countries, particularly Germany, away from fossil fuels.

Blue banner with kids and Earth photos. Text: "Lamont-Doherty Earth Observatory Open House, Saturday, October 17, 2026, 10am-4pm.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!

  • Hillary Clinton Is Right on Climate Change and the New York Times Is Wrong

    I would argue that given human behavior and organizational inertia it is better to subsidize something new than tax something old. A subsidy, like a sale, sometimes stimulates changed behavior. But a tax may or may not influence behavior.

  • How the Transition to Renewable Energy Could Come

    In the United States, our political process sends us strong signals about what problems and proposals can achieve agenda status. Increased federal support for science and technology will not be easy, but unlike a carbon tax, it is capable of drawing bipartisan support.

  • A Carbon Tax Is Not Feasible or Practical

    The idea behind the carbon tax is that by raising the price of fossil fuels, one promotes energy efficiency and, as fossil fuels become more expensive, renewable energy technologies will become more competitive. I am certain this is true. But few elected officials are going to advocate higher fossil fuel prices.

  • Jeffrey Sachs and Senator John Kerry on Energy

    Professor Sachs mentioned feed-in tariffs as an innovative way to decrease our dependency on fossil fuels and increase investments in renewables. They are a fairly simple and cost-effective way to jump-start production of renewable energy. Feed-in tariffs have been used to transition many European countries, particularly Germany, away from fossil fuels.