State of the Planet

News from the Columbia Climate School

Ecology50

  • Chasing Ghengis Khan

    Chasing Ghengis Khan

    Once you, as an outsider, spend considerable time in Mongolia, especially during Naadam and especially in the open Gobi steppe with people who still live as their ancestors did centuries ago, you will also begin to chase Chinggis Khaan.

  • Water Samples and Wildlife

    Water Samples and Wildlife

    After a day of coring on Tuesday, we decided to give our arms and backs a rest and collect water and plant samples. We take these samples so that we can characterize the chemical signatures of each plant type, and water from different parts of the system. Then, we can recognize those same signatures in…

  • Water Shortages in Jordan

    Water Shortages in Jordan

    By Melissa von Mayrhauser Jordan is the third most water scarce country in the world, while its population is rising at approximately 3% annually. Columbia’s SEE-U Jordan program is investigating the reasons behind the country’s lack of water security while also considering possible solutions. We dove into our studies by swimming in the Red and…

  • Finally – Some true Turkish Delight! Discovery of some tasty oaks

    Finally – Some true Turkish Delight! Discovery of some tasty oaks

    After a few days of mild frustration, the sampling of potentially old umbrella pine lifted our spirits and put us in a good frame of mind to conduct our last day of research in the temperate rainforest region of northeastern Turkey. We headed out of Borçka and met with a forest officer in charge of forests…

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.

  • For Rio+20, a Call to Preserve Biodiversity

    For Rio+20, a Call to Preserve Biodiversity

    An estimated 9 million species of living things inhabit the Earth. But those species are disappearing at an alarming rate, and this loss of biodiversity appears to be a major driver of environmental changes that can affect the biological and chemical processes that humans rely on.

  • In Your Own Backyard: Mapping Communities Near Superfund Sites

    In Your Own Backyard: Mapping Communities Near Superfund Sites

    The NPL Superfund Footprint Mapper is an interactive, online mapping application—a clickable map—that lets users visualize a rich variety of population and environment characteristics of areas in the vicinity of Superfund sites.

  • Fresh Evidence of Life on Mars?

    Fresh Evidence of Life on Mars?

    In a landscape shaped by wind and water, is it possible that microbial life was found on Mars in 1976? A new paper indicates life may be present, and a new mission to Mars may confirm the results.

  • Under Arctic Ice: Watch the Video

    Under Arctic Ice: Watch the Video

    The video depicts the activities of the LDEO Switchyard field team, which deploys annually and uses ski-equipped aircraft to reach a series of sample sites between the North Pole and Ellesmere Island in Canada.

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!

  • Chasing Ghengis Khan

    Chasing Ghengis Khan

    Once you, as an outsider, spend considerable time in Mongolia, especially during Naadam and especially in the open Gobi steppe with people who still live as their ancestors did centuries ago, you will also begin to chase Chinggis Khaan.

  • Water Samples and Wildlife

    Water Samples and Wildlife

    After a day of coring on Tuesday, we decided to give our arms and backs a rest and collect water and plant samples. We take these samples so that we can characterize the chemical signatures of each plant type, and water from different parts of the system. Then, we can recognize those same signatures in…

  • Water Shortages in Jordan

    Water Shortages in Jordan

    By Melissa von Mayrhauser Jordan is the third most water scarce country in the world, while its population is rising at approximately 3% annually. Columbia’s SEE-U Jordan program is investigating the reasons behind the country’s lack of water security while also considering possible solutions. We dove into our studies by swimming in the Red and…

  • Finally – Some true Turkish Delight! Discovery of some tasty oaks

    Finally – Some true Turkish Delight! Discovery of some tasty oaks

    After a few days of mild frustration, the sampling of potentially old umbrella pine lifted our spirits and put us in a good frame of mind to conduct our last day of research in the temperate rainforest region of northeastern Turkey. We headed out of Borçka and met with a forest officer in charge of forests…

  • Goals for Rio: A Path to Sustainability

    Goals for Rio: A Path to Sustainability

    In an article published in The Lancet, Earth Institute Director Jeffrey Sachs outlines his own ideas for sustainable development goals, and how how these goals can build on the Millennium Development Goals, the UN’s set of targets that aim to reduce extreme poverty and boost social well-being in many other ways by 2015.

  • For Rio+20, a Call to Preserve Biodiversity

    For Rio+20, a Call to Preserve Biodiversity

    An estimated 9 million species of living things inhabit the Earth. But those species are disappearing at an alarming rate, and this loss of biodiversity appears to be a major driver of environmental changes that can affect the biological and chemical processes that humans rely on.

  • In Your Own Backyard: Mapping Communities Near Superfund Sites

    In Your Own Backyard: Mapping Communities Near Superfund Sites

    The NPL Superfund Footprint Mapper is an interactive, online mapping application—a clickable map—that lets users visualize a rich variety of population and environment characteristics of areas in the vicinity of Superfund sites.

  • Fresh Evidence of Life on Mars?

    Fresh Evidence of Life on Mars?

    In a landscape shaped by wind and water, is it possible that microbial life was found on Mars in 1976? A new paper indicates life may be present, and a new mission to Mars may confirm the results.

  • Under Arctic Ice: Watch the Video

    Under Arctic Ice: Watch the Video

    The video depicts the activities of the LDEO Switchyard field team, which deploys annually and uses ski-equipped aircraft to reach a series of sample sites between the North Pole and Ellesmere Island in Canada.