State of the Planet

News from the Columbia Climate School

Water51

  • Ethanol’s Impacts on Our Water Resources

    Ethanol’s Impacts on Our Water Resources

    Ninety-five percent of ethanol in the U.S. comes from corn, but corn-based ethanol is controversial because of the amount of land required to grow the crops, and because of its effect on food prices and water resources.

  • A Solution to the Problem of Lawns?

    A Solution to the Problem of Lawns?

    Given the growing intensity of the global water crisis, to spend such enormous amounts of water on something that for practical purposes does little more than enslave millions of American homeowners by chaining them to their lawnmowers and sprinklers every Saturday…

  • Changing Litterbugs One Wave at a Time

    Changing Litterbugs One Wave at a Time

    As the mid-Pacific trash island grows, forces are at work to change people’s minds about how they may be adding to it.

  • New York Times Raises Concerns about Hydrofracking

    New York Times Raises Concerns about Hydrofracking

    An article in the New York Times has prompted debate over the effects of hydrofracking, a means of obtaining natural gas, on drinking water supplies.

  • The Fog Collectors: Harvesting Water From Thin Air

    The Fog Collectors: Harvesting Water From Thin Air

    Today nearly two people in ten have no source of safe drinking water according to the U.N. But in some desert areas, where there is very little rain, fog and dew are abundant sources of humidity that are being harvested to produce fresh water.

  • Irrigation Management and Global Water Supply

    Irrigation Management and Global Water Supply

    The Columbia Water Center hosted Marshall English last week to talk about the role crop irrigation plays in water resource planning and problem solving.

  • Maori Values; Modern Solutions

    Maori Values; Modern Solutions

    New Zealand’s longest river is also its most polluted, but Maori tribesmen have help to offer that goes beyond technology.

  • Flood Impacts: Don’t Forget Other Factors

    Flood Impacts: Don’t Forget Other Factors

    As scientists continue to try to sort out climate change effects, it’s important to remember also that when it comes to the impact of floods, there are many factors outside of global climate change that affect outcomes for people. Here are a few.

  • Arrival in Bangladesh: Assessing Risk of Natural Hazards

    Arrival in Bangladesh: Assessing Risk of Natural Hazards

    We arrived in Bangladesh this morning after a full day of traveling only to find 4 pieces of luggage missing. We will need to return tomorrow to get it. Spent the day in preparing and fighting traffic in Dhaka instead of heading to the field.

Columbia Climate School Giving Day on October 28, 2026, featuring students and renewable energy imagery

October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.

  • Ethanol’s Impacts on Our Water Resources

    Ethanol’s Impacts on Our Water Resources

    Ninety-five percent of ethanol in the U.S. comes from corn, but corn-based ethanol is controversial because of the amount of land required to grow the crops, and because of its effect on food prices and water resources.

  • A Solution to the Problem of Lawns?

    A Solution to the Problem of Lawns?

    Given the growing intensity of the global water crisis, to spend such enormous amounts of water on something that for practical purposes does little more than enslave millions of American homeowners by chaining them to their lawnmowers and sprinklers every Saturday…

  • Changing Litterbugs One Wave at a Time

    Changing Litterbugs One Wave at a Time

    As the mid-Pacific trash island grows, forces are at work to change people’s minds about how they may be adding to it.

  • New York Times Raises Concerns about Hydrofracking

    New York Times Raises Concerns about Hydrofracking

    An article in the New York Times has prompted debate over the effects of hydrofracking, a means of obtaining natural gas, on drinking water supplies.

  • The Fog Collectors: Harvesting Water From Thin Air

    The Fog Collectors: Harvesting Water From Thin Air

    Today nearly two people in ten have no source of safe drinking water according to the U.N. But in some desert areas, where there is very little rain, fog and dew are abundant sources of humidity that are being harvested to produce fresh water.

  • Irrigation Management and Global Water Supply

    Irrigation Management and Global Water Supply

    The Columbia Water Center hosted Marshall English last week to talk about the role crop irrigation plays in water resource planning and problem solving.

  • Maori Values; Modern Solutions

    Maori Values; Modern Solutions

    New Zealand’s longest river is also its most polluted, but Maori tribesmen have help to offer that goes beyond technology.

  • Flood Impacts: Don’t Forget Other Factors

    Flood Impacts: Don’t Forget Other Factors

    As scientists continue to try to sort out climate change effects, it’s important to remember also that when it comes to the impact of floods, there are many factors outside of global climate change that affect outcomes for people. Here are a few.

  • Arrival in Bangladesh: Assessing Risk of Natural Hazards

    Arrival in Bangladesh: Assessing Risk of Natural Hazards

    We arrived in Bangladesh this morning after a full day of traveling only to find 4 pieces of luggage missing. We will need to return tomorrow to get it. Spent the day in preparing and fighting traffic in Dhaka instead of heading to the field.