State of the Planet

News from the Columbia Climate School

air conditioning

  • Greener Ways to Keep Cool During a Heat Wave

    Greener Ways to Keep Cool During a Heat Wave

    The world is warming and our air conditioners are making it worse. Here are some less energy-intensive ways to survive the rising heat.

  • How Much Energy Does NYC Waste?

    How Much Energy Does NYC Waste?

    While the New York metropolitan area has been deemed the most wasteful megacity in the world, New York City is considered one of the world’s greenest. But how much energy does New York City waste and what is it doing about it?

  • Cooling the Former Frontier: Using Water to Save Energy

    Cooling the Former Frontier: Using Water to Save Energy

    AC units have become more efficient over the years, but energy consumption during hot summer months can increase significantly, boosting both the amount of money spent on electricity and the volume of greenhouse gasses emitted in the energy production process.

Banner featuring a collage of extreme heat images.

Recent record-breaking heat waves have affected communities across the world. The Extreme Heat Workshop will bring together researchers and practitioners to advance the state of knowledge, identify community needs, and develop a framework for evaluating risks with a focus on climate justice. Register by June 15

  • Greener Ways to Keep Cool During a Heat Wave

    Greener Ways to Keep Cool During a Heat Wave

    The world is warming and our air conditioners are making it worse. Here are some less energy-intensive ways to survive the rising heat.

  • How Much Energy Does NYC Waste?

    How Much Energy Does NYC Waste?

    While the New York metropolitan area has been deemed the most wasteful megacity in the world, New York City is considered one of the world’s greenest. But how much energy does New York City waste and what is it doing about it?

  • Cooling the Former Frontier: Using Water to Save Energy

    Cooling the Former Frontier: Using Water to Save Energy

    AC units have become more efficient over the years, but energy consumption during hot summer months can increase significantly, boosting both the amount of money spent on electricity and the volume of greenhouse gasses emitted in the energy production process.