Protecting the World’s Largest Geyser Ecosystem with Recycled Tires

October 17, 2017

October 17, 2017


Among the uses for recycled tires is pavement. Today’s NERC Blog article by Lauren Davis, Public Relations Coordinator at Michelin, talks about a recent project using recycled tires at Yellowstone National Park.


Yellowstone National Park has completed the second phase of its initiative to install more eco-friendly walkways in the world’s largest concentration of geysers and thermal features. With help from the Michelin Corporate Foundation, Yellowstone National Park has so far paved 11,100 square feet of pathway with the recycled material, replacing crumbling asphalt paths.


The new walkways are made from an innovative eco-friendly paving material that is manufactured in part from recycled tires. This new material will help reduce run-off and erosion in the eco-sensitive Yellowstone Geyser Basin, which features the iconic Old Faithful geyser and attracts millions of visitors a year.


The recycled tire pavement is called KBI Flexi®-Pave. This product provides a porous, durable and flexible surface that allows the water from rain and snow to percolate through the walkway the way it would have done before the walkways were installed. This in turn creates more natural water patterns that eventually replenish the geyser basin. Unlike asphalt, this paving material does not create significant storm-water runoff or leach pollutants into the soil. It also does not break apart, which prevents material from ending up in geysers and hot springs.


Some 2,400 tires were donated for the project, with this second phase using 1,536 end-of-life tires to help create thousands of square feet of paths. Most of these tires were originally donated several years ago by Michelin for use on Yellowstone’s more than 800 fleet vehicles and commercial equipment. A total of $1.5 million in donations and in-kind have been used thus far for the project. Around 1,500 volunteer hours have been logged on the pathway project.


Flexi-Pave not only provides an environmentally friendly solution for the Old Faithful area, it prevents thousands of old tires from ending up in a landfill or being burned for fuel. The project was made possible through a partnership between Yellowstone National Park, park concessioners, the Yellowstone Park Foundation, KBI Industries and the Michelin Corporate Foundation.


“The Yellowstone Walkways Project aligns with Michelin’s commitment to being a global leader in sustainable mobility,” said Leesa Owens, director of community relations for Michelin North America. “Our employees have been involved with this project from the start, working directly to help create environmentally friendly walkways out of Michelin tires that had already provided Yellowstone with years of cost-effective and fuel-efficient operations.”


Flexi-Pave is made of rubber granules and stone held together by a polymer binding agent that is inert when cured. Its open-pore design enables fast evacuation of up to 4,000 cubic inches of water per hour. Beyond Yellowstone, this innovative product has a broad range of applications. The thousands of rubber granules making up its surface make it non-slip and it is an ADA-compliant surface accessible to wheelchairs and walkers. The integrity of the materials are not affected by freeze-thaw conditions which is why it works well in cold and snowy parts of the Northeastern and Midwestern United States.


 “Yellowstone is the world's first national park with nearly 150 years of balancing the protection of natural wonders and sharing them with visitors,” said Lynn Chan, a landscape architect for the National Park Service and lead on sustainability at Yellowstone National Park. “It is important to us to rehabilitate the park’s walkways with materials that can help protect this sensitive environment yet still allow visitors to see and appreciate it.”


“This project represents the model for collaboration between public and private organizations. We hope that this eco-friendly park walkway will inspire other similar projects that help preserve natural systems,” said Jeff Augustin, vice president of external partnerships at Yellowstone Park Foundation.


By Lauren Davis, Public Relations Coordinator at Michelin


Dedicated to the improvement of sustainable mobility, Michelin designs, manufactures and sells tires for every type of vehicle, including airplanes, automobiles, bicycles, earthmovers, farm equipment, heavy-duty trucks and motorcycles. The company has earned a long-standing reputation for building innovative premium tires. In addition to tires, the company also publishes travel guides, hotel and restaurant guides, maps and road atlases. Headquartered in Greenville, S.C., Michelin North America employs about 22,700 and operates 19 major manufacturing plants.

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August 29, 2025
Northeast Recycling Council (NERC) Publishes 25 th Report Marking Six Years of Quarterly Data
By Recycled Materials Association July 29, 2025
The Northeast Recycling Council (NERC) has opened the 2025 Emerging Professionals (EP) Program . Now, in its third year, the program provides professionals who are new to the field of recycling, sustainability, and environmental stewardship with discounted access to NERC’s Conference and Foundations Course, sponsored by their employer organization. EPs gain valuable connections with seasoned industry professionals and peers while engaging in discussions on current trends, challenges, and innovations shaping the industry. This program is designed for those with three or fewer years of experience. “This year, EPs also receive a discount to our Foundations of Sustainable Materials Management course (a live, instructor-led training) developed to provide the key building blocks for understanding the industry,” said Mariane Medeiros, Senior Project Manager at NERC. “It’s a great way to close the loop: gaining both a strong technical foundation and real-world connections in one experience.” Read and Learn More.
By Chaz Miller June 30, 2025
Recycling coordinators know that some people and locations are stubbornly indifferent to recycling. COVID has ruptured civic values and behavior. Creating a recycling culture is harder than ever. Producers know how to sell their products. Now they need to learn how to sell recycling. On July 1, Oregon’s packaging and paper extended producer responsibility (EPR) program begins operating. This will be a first in our country. “Producers”, instead of local governments or private citizens, will be paying to recycle packages and paper products. Colorado’s program begins operating early in 2026. For years we have heard the theory of how packaging EPR will work. At last, we will get results. Five other states also have laws. Their programs should all be operating by 2030. None of the state laws have identical requirements. The Circular Action Alliance, the “producer responsibility organization” responsible for managing the program in most of those states, knows it has a lot on its plate. EPR laws are not new to the U.S. Thirty-two states already have laws that cover a wide variety of products such as electronics, paint, mattresses, batteries, etc. Those laws are relatively simple. Most cover one product. The producer group is a small number of companies. Goals and programs are focused and narrow. They are a mixed bag of success and failure. Packaging EPR is far more complex. The number of covered products is way higher. Thousands of companies are paying for these programs. Goals are challenging. Some are impossible to meet. In addition, local governments treat recycling as a normal service. Their residents will still call them if their recyclables aren’t picked up. It probably hasn’t helped that advocates tout EPR as the solution for recycling’s problems. We are told we will have more collection and better processing with higher recycling rates. Markets will improve and even stabilize. Some of this will happen, but not all. Collection and processing should go smoothly in Oregon. The state has high expectations for recycling. I have no doubt recycling will increase. Collection programs will blanket the state, giving more households the opportunity to recycle. I’m not sure, though, how much of an increase we will see. Recycling coordinators know that some people and locations are stubbornly indifferent to recycling. COVID has ruptured civic values and behavior. Creating a recycling culture is harder than ever. Producers know how to sell their products. Now they need to learn how to sell recycling. Another challenge is the “responsible end market” requirements. You’ve probably seen pictures of overseas dumps created by unscrupulous or just naïve plastics “recyclers”. In response, Oregon and the other states are requiring sellers and end markets to prove they are “responsible”. They must provide information about who and where they are, how they operate, how much was actually recycled, and more. Recycling end markets pushed back. Paper and metals recyclers argue they shouldn’t be covered. They don’t cause those problems. As for plastics, the general manager of one of America’s largest plastics recycling companies said his company now spends time and money gathering data and filling out forms to prove they’re “responsible”. His virgin resin competitors don’t have to. Ironically, we now import more plastics for recycling than we export. Maybe those countries should impose similar requirements on their plastics recyclers. Colorado faces unique problems. The mountain state is large. Its population is concentrated on the I-25 corridor running north and south through Denver with low population density elsewhere. Recycling collection and processing is limited as are end markets. To make matters worse, slightly more than half of its households use “subscription” services for waste and recycling collection. Those services are funded by the households, not by taxpayers. EPR doesn’t have this experience in other countries. Colorado gets to blaze this trail. The second state to go live poses substantive challenges for producers. The good news for both states? Local governments that pay for recycling collection and processing will see most of those costs go away. Consumers are unlikely to see prices rise, for now. National companies will simply spread their costs among all 50 states. Local and regional producers, unfortunately, don’t have that advantage. As for improved markets, remember that recyclables are and always will be commodities subject to the ups and downs of the economy. I don’t see substantive changes in recycling markets unless the producer group’s members try to manipulate markets to their own advantage. 2025 saw new laws and changes to existing laws. Maryland and Washington became the sixth and seventh packaging EPR states. At the same time, California is rewriting its regulations and Maine significantly revised its law. Some of these changes narrowed EPR’s scope to the dismay of advocates. I’m a member of Maryland’s EPR Advisory Council. We’ve been meeting for a year, discussing the Needs Assessment and now our new law. We have our own unique set of challenges. We also have a big advantage. We can learn from Oregon’s and Colorado’s experiences. Tune in next year to learn how we are progressing. Read on Waste360.