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麻豆免费版下载Boulder students have been environmental activists since the 1970s. In 1976 they established a student-led recycling initiative on campus, followed by advocating for the student bus pass 1991, funding one of the first wind-energy purchases by a university in 2000 and eventually creating the first public-facing compostable site on campus in 2007. Without a doubt, the actions of 麻豆免费版下载Boulder students, coupled with their desire to challenge the sustainability status quo, has helped progress the university鈥檚 environmental efforts.

The exceptional student involvement works in tandem with university staff, helping 麻豆免费版下载to stay relevant and progressive in approaching environmental issues. And specifically, the campus has seen tremendous growth in campuswide composting efforts in the past 20 years alone.听

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Compostable items are a valuable resource. But if you treat it like trash, that鈥檚 how it will end up.

In an effort to learn more about on-campus composting, and to help spread the word of composting best practices, we sat down with compost guru Ed von Bleichert鈥攁 麻豆免费版下载alumnus who has influenced 麻豆免费版下载Boulder鈥檚 on-campus environmental operations for more than 25 years. His expertise is extensive, and as the new Sustainability and Resiliency Program manager in Facilities Management, he notes CU鈥檚 inventive role in universitywide composting. For Ed, one of the most effective ways to build 麻豆免费版下载Boulder鈥檚 sustainable legacy is through on-campus cross-collaboration:

鈥淲orking with students and volunteers is one of the most rewarding parts of this job,鈥� von Bleichert says. 鈥淭he opportunities to apply student research鈥攚hether a paper, a report or a presentation鈥攊nto actual operations is one thing we鈥檝e done routinely. I know of examples where students have done an independent study and we鈥檝e adopted their strategy into daily operations.鈥�

Collaboration has been the secret to CU鈥檚 sustainable success. In fact, composting on-campus has been a working collaboration between expert staff and students since the 1990s:

• Mid 1990s: 麻豆免费版下载Boulder collaborated with the city of Boulder and local commercial haulers on a composting pilot program.听
• 2004-05: Four of the seven dining halls on campus started composting post-consumer food waste. Eventually pre-consumer food waste was composted. This means the prep waste from the kitchen and the uneaten food sent back on the dish line were diverted from the landfill.
• 2007: 麻豆免费版下载Boulder had its first zero-waste event at Global Jam, a welcoming event for students. Zero-waste means diverting at least 90 percent of waste from the landfill, which is mostly attributed to using compostable serviceware and composting pre- and post-consumer foods.听
• 2007: The 麻豆免费版下载Boulder student body initiated and governed publicly accessible composting in the UMC building. This helped pave the way for other public-facing compost sites across campus.
• 2008: 麻豆免费版下载Boulder committed to , which is an extensive effort to green the Athletic Department and games. The university partnered with a Boulder-based company, , to create custom compostable serviceware for 麻豆免费版下载Boulder football games and was the first major athletics venue in the country to go fully zero-waste on game day. 听
• 2010: Facilities Management received a Sustainable 麻豆免费版下载grant, which allowed the university to include compost bins in every restroom in three buildings across campus. Since the compost bins proved successful, 麻豆免费版下载Boulder鈥檚 composting efforts have expanded to 22 buildings.
• 2014: 麻豆免费版下载Boulder invented a process for spreading compost-rich water on campus grounds. Brilliant 麻豆免费版下载Boulder minds found a way to brew compost tea in the high-tech irrigation systems and inject it straight into the main line. 麻豆免费版下载Boulder was the first university in the world to use this technique.听
• 2016: The campus started a pilot restroom composting program in the Buckingham residence hall. With more and more students asking for this resource to be available in other halls, the goal is to implement composting across all residence halls in the future.听

With composting becoming more accessible around Boulder and across campus, von Bleichert shares the top six things we should know about composting:

1. Go back to the basics: Gain a basic understanding of compostable items: Only food waste, yard trimmings, compostable serviceware (cups, plates, napkins, flatware, etc.), plant based products and compostable bin liners are allowed. Anything else is considered a prohibitive or contaminant. 听
2. Keep it clean: All noncompostable items are considered contaminants and must be removed from the bins鈥攂y hand. Some contaminants, such as glass, can make an entire load of finished compost to be rejected if it is missed during the initial screening process.
3. Know the numbers: The chasing-arrows symbol doesn鈥檛 always mean recycling鈥攊t depends on the number inside the arrows. Numbers 1 through 6 represent pure plastic resins and may be recyclable in your area. Number 7 and number 7 other often represent a blend of resins, rendering the product nonrecyclable. However, number 7 PLA is a plant-based resin, allowing this product to be composted. Product manufacturers will sometimes add 鈥渃ompostable鈥� to the product and packaging as an easy indicator for consumers.
4. Each piece is unique: Be aware of each component of a whole product. A cup might be compostable, but the straw might be trash, and each should be put in its proper receptacle. Similarly, uneaten food should be removed from wrappings, and each should be placed in its respective bin.听
5. Stay relevant: Guidelines change fairly regularly, which is not controlled by CU鈥檚 in-house facilities team, but is instead dictated by the people purchasing the compost and waste. 听To stay up to date, refer to the , or 鈥檚 websites.
6. Landfills are not compost-centric: Compost piles need proper nitrogen, carbon, water and microorganisms to become a valuable, working resource. Compost fields allow for this transformation, while landfills hinder it. As von Bleichert remarks, 鈥淐ompostable items are a valuable resource, but if you treat it like trash, that鈥檚 how it will end up.鈥�

While composting continues to become available across campus, the environmental experts at 麻豆免费版下载Boulder will continue to challenge current practices and question what is possible. As von Bleichert notes, there is value in curiosity and inquiry: 鈥淎mong recycle experts, the saying used to be 鈥榳hen in doubt, throw it out.鈥� But that鈥檚 the great thing about working at a university, we鈥檙e kind of a living laboratory. So the saying really should be 鈥榳hen in doubt, ask a question.鈥欌��

For more information about composting on campus, or contacting Facilities Management about collaborative research projects, visit the .听