State of the Planet

News from the Columbia Climate School

risk assessment

  • Scott Pruitt and the Chemical Industry Collude to Deregulate Toxic Chemicals

    Scott Pruitt and the Chemical Industry Collude to Deregulate Toxic Chemicals

    The persistence of toxic chemicals and substances like plastics throughout the biosphere has impacts that are not yet well understood and may be very difficult to predict.

  • Report Assesses Risks to World’s Shared River Basins

    Report Assesses Risks to World’s Shared River Basins

    Risks for the world’s Transboundary River Basins are projected to increase in the next 15–30 years, particularly in four hotspot regions: the Middle East, Central Asia, the Ganges-Brahmaputra-Meghna basin, and the Orange and Limpopo basins in Southern Africa.

  • Mapping Tool Lets Users Pinpoint Hazards Data

    Mapping Tool Lets Users Pinpoint Hazards Data

    The SEDAC Hazards Mapper is designed for disaster risk managers, humanitarian response organizations, public health professionals, journalists and others needing a quick assessment of the potential dangers posed by a major hazardous event or developing emergency.

  • Genetic Modifications You May Not Know About

    Genetic Modifications You May Not Know About

    While much attention is focused on genetically modified foods, fewer people are aware that many other genetically modified organisms and cells are in development. Columbia University’s Shaheed Naeem and Matthew Palmer offer their perspectives.

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!

  • Scott Pruitt and the Chemical Industry Collude to Deregulate Toxic Chemicals

    Scott Pruitt and the Chemical Industry Collude to Deregulate Toxic Chemicals

    The persistence of toxic chemicals and substances like plastics throughout the biosphere has impacts that are not yet well understood and may be very difficult to predict.

  • Report Assesses Risks to World’s Shared River Basins

    Report Assesses Risks to World’s Shared River Basins

    Risks for the world’s Transboundary River Basins are projected to increase in the next 15–30 years, particularly in four hotspot regions: the Middle East, Central Asia, the Ganges-Brahmaputra-Meghna basin, and the Orange and Limpopo basins in Southern Africa.

  • Mapping Tool Lets Users Pinpoint Hazards Data

    Mapping Tool Lets Users Pinpoint Hazards Data

    The SEDAC Hazards Mapper is designed for disaster risk managers, humanitarian response organizations, public health professionals, journalists and others needing a quick assessment of the potential dangers posed by a major hazardous event or developing emergency.

  • Genetic Modifications You May Not Know About

    Genetic Modifications You May Not Know About

    While much attention is focused on genetically modified foods, fewer people are aware that many other genetically modified organisms and cells are in development. Columbia University’s Shaheed Naeem and Matthew Palmer offer their perspectives.