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Composting: A Powerful Tool for Mitigating Climate Change


Person holding compost in garden

Climate change has become one of the most pressing challenges of our time, with far-reaching impacts on the environment, human health, and the economy. However, amidst the urgency to address this crisis, there is a simple yet effective solution that can make a significant difference: composting. Explore how composting can play a crucial role in mitigating climate change and offer actionable steps for readers to take.


Understanding the Link Between Composting and Climate Change

Composting is a natural process that converts organic waste, including food scraps and yard trimmings, into nutrient-rich soil. By diverting organic waste from landfills and turning it into compost, several positive effects on climate change mitigation can be achieved:

  • Reducing Greenhouse Gas Emissions: When organic waste decomposes in landfills, it produces methane, a potent greenhouse gas that contributes to global warming. Composting, on the other hand, allows organic matter to break down in an oxygen-rich environment, significantly reducing methane emissions. According to the Composting Council, composting can eliminate up to 30% of total methane emissions from waste management practices.

  • Improving Soil Health and Carbon Sequestration: Compost enriches the soil by providing essential nutrients, enhancing its ability to retain moisture, and promoting healthy microbial activity. This improves crop yields, reduces the need for chemical fertilizers, and increases carbon sequestration. The United Nations Environment Programme (UNEP) states that compost-amended soils can sequester significant amounts of carbon, acting as a natural carbon sink.

The Environmental Benefits of Composting

Composting offers a range of environmental benefits that extend beyond climate change mitigation:

  • Conserving Resources: By composting organic waste, we reduce the need for landfills and incinerators, conserving valuable land and reducing the demand for energy-intensive waste management processes. Additionally, compost can be used as an alternative to synthetic fertilizers, reducing water pollution and preserving water quality.

  • Enhancing Biodiversity: Healthy soils support diverse ecosystems and promote biodiversity. Compost fosters the growth of beneficial microorganisms, earthworms, and other soil-dwelling organisms, creating a thriving ecosystem that sustains plant and animal life.

How You Can Take Action

Composting is a simple and accessible practice that individuals, families, and communities can adopt to make a positive impact. Here are some steps you can take:

  • Start Composting at Home: Begin by setting up a small composting system in your backyard or balcony. Compost bins, tumblers, or vermicomposting (using worms) are effective methods for decomposing organic waste. Remember to include a balance of green (fruit and vegetable scraps, grass clippings) and brown (dried leaves, shredded paper) materials to create the right conditions for decomposition. Click here to get a free compost bin from Let's Go Compost.

  • Support Municipal Composting Programs: Many communities offer municipal composting programs that collect organic waste from residents. Take advantage of these programs and ensure that your organic waste is being diverted from landfills and used to create compost.

  • Educate Others: Spread the word about the benefits of composting to your family, friends, and neighbors. Encourage them to start composting or participate in local composting initiatives. By working together, we can create a significant collective impact.

Compost bin with purple flowers forming heart design in soil

Composting is a powerful tool that can contribute to mitigating climate change, conserving resources, and promoting sustainable practices. By diverting organic waste from landfills, we can reduce greenhouse gas emissions, improve soil health, and foster biodiversity. Whether through home composting or supporting municipal programs, each individual's contribution to composting can make a meaningful difference. Embrace the power of composting today and be part of the solution for a greener, more sustainable future. Together, we can create a healthier planet for future generations.


Let’s Go Compost is a community-led effort to make compost bins free and accessible. We upcycle empty bulk ingredient bins into free, food-safe worm compost bins that are donated back to the community.

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