State of the Planet

News from the Columbia Climate School

Tag: lakes

  • Ancient Pollen Points to Mega-Droughts in California Thousands of Years Ago

    Ancient Pollen Points to Mega-Droughts in California Thousands of Years Ago

    Ancient pollen spores that were in the air when mammoths roamed Southern California are providing new insights into historic droughts in the region, including how a series of mega droughts 25,500 to 27,500 years ago changed the ecological landscape.

  • Protecting Our Waterways: The Waterkeeper Alliance

    Protecting Our Waterways: The Waterkeeper Alliance

    At any given time, there are dedicated environmentalists around the U.S. working to protect our waterways.These “keepers” are all members of the Waterkeeper Alliance (WKA), an organization of over 200 keepers globally, defending their communities’ rights to clean water.

Science for the Planet: In these short video explainers, discover how scientists and scholars across the Columbia Climate School are working to understand the effects of climate change and help solve the crisis.
  • Ancient Pollen Points to Mega-Droughts in California Thousands of Years Ago

    Ancient Pollen Points to Mega-Droughts in California Thousands of Years Ago

    Ancient pollen spores that were in the air when mammoths roamed Southern California are providing new insights into historic droughts in the region, including how a series of mega droughts 25,500 to 27,500 years ago changed the ecological landscape.

  • Protecting Our Waterways: The Waterkeeper Alliance

    Protecting Our Waterways: The Waterkeeper Alliance

    At any given time, there are dedicated environmentalists around the U.S. working to protect our waterways.These “keepers” are all members of the Waterkeeper Alliance (WKA), an organization of over 200 keepers globally, defending their communities’ rights to clean water.