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Marcus Eriksen

Marcus Eriksen received his Ph.D. in Science Education from University of Southern California in 2003, months before embarking on a 2000-mile, 5-month journey down the Mississippi River on a homemade raft. His experience on the river led to a career studying the ecological impacts of plastic marine pollution, which has included expeditions sailing 25,000 miles through all 5 subtropical gyres to discover new garbage patches of plastic pollution in the Southern Hemisphere. 

Though still rafting, his most recent adventure sent him and a colleague across the Pacific Ocean from California to Hawaii on JUNK, a homemade raft floating on 15,000 plastic bottles and a Cessina airplane fuselage as a cabin (junkraft.com). The journey, 2,600 miles in 88 days, brought attention to the work of the 5 Gyres Institute, the organization he co-founded with his wife Anna Cummins. Together, they co-direct 5 Gyres, which is committed to marine conservation through continued research, education and adventure, studying and lecturing about the plague of plastic waste in our watersheds and in the sea.

His first book, titled My River Home (Beacon Press, 2007) chronicled his Mississippi River experience paralleled with his tour as a Marine in the 1991 Gulf War. In 2007 he joined board of the Mehadi Foundation and contributes his time to help the foundation assist U.S. veterans and provide clean water to schools in Iraq. He also hosts Commando Weather, a series of public service announcements about the science of weather and survival, for the Weather Channel. When not rafting, he enjoys time with Anna and their new daughter “Arbor,” and also seeking any excuse to travel.

EcoWatch Daily Newsletter

Cracker Lake, Glacier National Park, Montana. Jacob W. Frank / NPS / Flickr

By Jason Bittel

High up in the mountains of Montana's Glacier National Park, there are two species of insect that only a fly fishermen or entomologist would probably recognize. Known as stoneflies, these aquatic bugs are similar to dragonflies and mayflies in that they spend part of their lives underwater before emerging onto the land, where they transform into winged adults less than a half inch long. However, unlike those other species, stoneflies do their thing only where cold, clean waters flow.

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Augusta National / Getty Images

By Bob Curley

  • The new chicken sandwiches at McDonald's, Popeyes, and Chick-fil-A all contain the MSG flavor enhancement chemical.
  • Experts say MSG can enhance the so-called umami flavor of a food.
  • The ingredient is found in everything from Chinese food and pizza to prepackaged sandwiches and table sauces.

McDonald's wants to get in on the chicken sandwich war currently being waged between Popeyes and Chick-fil-A.

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Protesters march during a "Friday for future" youth demonstration in a street of Davos on Jan. 24 on the sideline of the World Economic Forum annual meeting. FABRICE COFFRINI / AFP / Getty Images

By Andrea Germanos

Youth climate activists marched through the streets of Davos, Switzerland Friday as the World Economic Forum wrapped up in a Fridays for Future demonstration underscoring their demand that the global elite act swiftly to tackle the climate emergency.

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chuchart duangdaw / Moment / Getty Images

By Tim Radford

The year is less than four weeks old, but scientists already know that carbon dioxide emissions will continue to head upwards — as they have every year since measurements began leading to a continuation of the Earth's rising heat.

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Lucy Lambriex / DigitalVision / Getty Images

By Katey Davidson

Each year, an estimated 600 million people worldwide experience a foodborne illness.

While there are many causes, a major and preventable one is cross-contamination.

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