Chicago312.802.8321
Menu
  • Image load failed!

    Madosin Barningham leads a tour of the Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Kayakers paddle on Lake Superior as seen from Meyers Beach Thursday, Sept. 23, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Water Resource Specialist Reane Loiselle with the Mary Griggs Burke Center for Freshwater Innovation at Northland College jumps off a boat at Friendly Valley Beach as she and Associate Director Matt Hudson collect water samples from Lake Superior Wednesday, Sept. 22, 2021, in Washburn, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Madosin Barningham lead a tour of the Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world’s largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems.

    Story by Morgan Greene: Lake Superior is among the fastest-warming lakes on the planet. Climate change may be the culprit behind its algae blooms, too

  • Image load failed!

    Graduate student Ayooluwateso Coker tests and catalogues water samples from in and around Lake Superior at the University of Minnesota Duluth Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Scientist Sandy Brovold tests and catalogues water samples from in and around Lake Superior at the University of Minnesota Duluth Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Scientist Sandy Brovold tests and catalogues water samples from in and around Lake Superior at the University of Minnesota Duluth Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Lake Superior can be seen from Enger Trail & Observation Hill Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Professor of Biology and Director of the Large Lakes Observatory Robert Sterner talks about work being done to test water for toxins in and around Lake Superior at the University of Minnesota Duluth Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Graduate student Ayooluwateso Coker tests and catalogues water samples from in and around Lake Superior at the University of Minnesota Duluth Thursday, Sept. 23, 2021, in Duluth, Minnesota. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Sediment floats in Lake Superior as seen from the Port Wing Marina Thursday, Sept. 23, 2021, in Port Wing, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Madosin Barningham leads a tour of the Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Lake Superior as seen from Meyers Beach Thursday, Sept. 23, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    From left, Ecologist Tom Hollenhorst with the Environmental Protection Agency Office of Research and Development, Social Scientist Jennifer Joseph with the National Research Council and Physical Scientist Paul McKinney with the Oak Ridge Institute for Science and Education deploy a Slocum glider, an autonomous underwater glider used for long range/duration observation and data collection, near the Port Wing Marina Wednesday, Sept. 22, 2021, in Port Wing, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Ecologist Tom Hollenhorst with the Environmental Protection Agency Office of Research and Development, Social Scientist Jennifer Joseph with the National Research Council and Physical Scientist Paul McKinney with the Oak Ridge Institute for Science and Education deploy a Slocum glider, an autonomous underwater glider used for long range/duration observation and data collection near the Port Wing Marina Wednesday, Sept. 22, 2021, in Port Wing, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Lake Superior as seen from Meyers Beach Thursday, Sept. 23, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Water Resource Specialist Reane Loiselle with the Mary Griggs Burke Center for Freshwater Innovation at Northland College drives a boat near Friendly Valley Beach as she and Associate Director Matt Hudson collect water samples from Lake Superior Wednesday, Sept. 22, 2021, in Washburn, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Water Resource Specialist Reane Loiselle with the Mary Griggs Burke Center for Freshwater Innovation at Northland College filters water near Friendly Valley Beach as she and Associate Director Matt Hudson collect samples from Lake Superior Wednesday, Sept. 22, 2021, in Washburn, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

  • Image load failed!

    Madosin Barningham leads a tour of the Bayfield Peninsula Sea Caves in the Apostle Islands Maritime Cliffs State Natural Area photographed by kayak Wednesday, Sept. 22, 2021, in Bayfield, Wisconsin. Researchers are trying to figure out why the unlikely threat of harmful algae blooms has arrived in Lake Superior and how drastically climate change is altering one of the world's largest freshwater lakes. Blue-green algae and cyanobacteria are toxic blooms that can have severe impacts on human and animal health and aquatic ecosystems. (Erin Hooley/Chicago Tribune)

← Pictures of the Year 2021 | Chicago shutdown: Scenes of a silent city during coronavirus →