State of the Planet

News from the Columbia Climate School

climate change142

  • Peruvians Fight for Their Right to Water

    Peruvians Fight for Their Right to Water

    On September 17, one man was killed and 18 others injured when police attempted to break up demonstrators protesting an irrigation project recently approved by the Peruvian government.

  • Cyprus: A Case Study in Water Challenges

    One tends to think of islands as wet places (surrounded as they are by water) but the island of Cyprus in the Eastern Mediterranean sea belies that characterization. Among many childhood memories I have of that place, some of the most vivid are of the wide-open, piercing blue of cloudless skies and the sun-scorched, dusty…

  • Study Adds New Clue to How Last Ice Age Ended

    New Zealand Glaciers Melted as European Glaciers Briefly Expanded

  • Irrigation’s Cooling Effects May Mask Warming–For Now

    If Water Runs Short, Some Regions May Suffer Significantly

  • The Pearl of Africa

    My cell phone rang in the middle of the night. “Are you in Kampala?” On the other line was my husband informing me that two bombs went off in Uganda’s capital city just several hours before, killing scores of people gathered at public spots to watch the final game of the World Cup. I was…

  • Deutsche Bank and Columbia Climate Center Enhance Global Climate Change Policy Tracker

    Deutsche Bank and Columbia Climate Center Enhance Global Climate Change Policy Tracker

    The Earth Institute, Columbia University is pleased to announce that Deutsche Bank Climate Change Advisors (DBCCA) of Deutsche Asset Management will continue work with Columbia Climate Center (CCC) researchers to update and enhance their Global Climate Change Policy Tracker. The Policy Tracker is a computer model that estimates the impact of policies on greenhouse gas…

  • Rolling a 13: Global Warming and Regional Water Management in Pakistan and Russia

    Rolling a 13: Global Warming and Regional Water Management in Pakistan and Russia

    On July 28th in Peshawar, Pakistan, it rained more in one day than it had ever previously rained for the entire month. In the face of that kind of event, it’s hard not to think that we are entering unprecedented times. (It is still raining, with forecasts of more to come, with 1,600 people dead—at…

  • The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The climate bill has come and gone. Just two months ago, it seemed as though the bill stood a fighting chance, given the buffet of options available to policymakers.

  • Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…

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!

  • Peruvians Fight for Their Right to Water

    Peruvians Fight for Their Right to Water

    On September 17, one man was killed and 18 others injured when police attempted to break up demonstrators protesting an irrigation project recently approved by the Peruvian government.

  • Cyprus: A Case Study in Water Challenges

    One tends to think of islands as wet places (surrounded as they are by water) but the island of Cyprus in the Eastern Mediterranean sea belies that characterization. Among many childhood memories I have of that place, some of the most vivid are of the wide-open, piercing blue of cloudless skies and the sun-scorched, dusty…

  • Study Adds New Clue to How Last Ice Age Ended

    New Zealand Glaciers Melted as European Glaciers Briefly Expanded

  • Irrigation’s Cooling Effects May Mask Warming–For Now

    If Water Runs Short, Some Regions May Suffer Significantly

  • The Pearl of Africa

    My cell phone rang in the middle of the night. “Are you in Kampala?” On the other line was my husband informing me that two bombs went off in Uganda’s capital city just several hours before, killing scores of people gathered at public spots to watch the final game of the World Cup. I was…

  • Deutsche Bank and Columbia Climate Center Enhance Global Climate Change Policy Tracker

    Deutsche Bank and Columbia Climate Center Enhance Global Climate Change Policy Tracker

    The Earth Institute, Columbia University is pleased to announce that Deutsche Bank Climate Change Advisors (DBCCA) of Deutsche Asset Management will continue work with Columbia Climate Center (CCC) researchers to update and enhance their Global Climate Change Policy Tracker. The Policy Tracker is a computer model that estimates the impact of policies on greenhouse gas…

  • Rolling a 13: Global Warming and Regional Water Management in Pakistan and Russia

    Rolling a 13: Global Warming and Regional Water Management in Pakistan and Russia

    On July 28th in Peshawar, Pakistan, it rained more in one day than it had ever previously rained for the entire month. In the face of that kind of event, it’s hard not to think that we are entering unprecedented times. (It is still raining, with forecasts of more to come, with 1,600 people dead—at…

  • The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The Policy Buffet (Part 5): How the Oil Spill Killed the Climate Bill — and Why the Economy Didn’t Help, Either

    The climate bill has come and gone. Just two months ago, it seemed as though the bill stood a fighting chance, given the buffet of options available to policymakers.

  • Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…