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fruit scraps with compost fruit scraps in compost pile

The Ultimate Guide to Composting

Clock 6 min read | By Ken Jacobus

Composting is one of the simplest ways to reduce waste while creating something valuable from everyday materials. This guide breaks down how composting works, why it matters, and how to do it effectively at home or through a service.

In this article, we'll cover:

Composting vs. Landfills: Why It Matters

Landfills do not make waste disappear. They store trash for decades. As more sites reach capacity, the need for better waste solutions has never been more urgent. One of the simplest and most impactful changes individuals and businesses can make is composting.

Composting transforms everyday organic waste into nutrient-rich soil that helps grow what’s next. This includes items such as food scraps, paper, and certified sustainable packaging. It is a powerful way to reduce waste, cut emissions, and support a more circular system.

In this guide, you'll learn exactly what composting is, how it works, why it matters, and how to start, whether at home or through a commercial service.

What is Composting?

Composting is the natural process of breaking down organic materials into a nutrient-rich soil amendment known as compost. This process occurs with the help of microorganisms such as bacteria and fungi, which decompose materials under the right conditions.

At its core, composting is nature’s recycling system.

Several types of composting include:

  • Aerobic composting (with oxygen): The most common method, used in backyard and commercial systems
  • Anaerobic composting (without oxygen): Slower and can produce odors
  • Home composting: Small-scale systems like bins or piles
  • Commercial composting: Large-scale facilities that process a wider range of materials

While the fundamentals remain the same, the scale and materials accepted can vary significantly depending on the method.

compost pile with shovel

How Does Composting Work?

Composting relies on a balance of key elements that allow microorganisms to thrive and break down organic matter efficiently.

The Key Ingredients

  • Green materials (nitrogen-rich materials): food scraps, coffee grounds, fresh grass.
  • Brown materials (carbon-rich materials): cardboard, paper, dry leaves.

A balanced ratio of greens and browns is essential for effective composting.

Other Critical Factors

  • Oxygen: Turning the pile introduces air and speeds up decomposition
  • Moisture: Compost should feel like a damp sponge, not too wet or too dry
  • Temperature: Active compost piles generate heat, which accelerates breakdown.

The Composting Process

  1. Materials are added and layered
  2. Microorganisms begin breaking them down
  3. Heat builds as decomposition accelerates
  4. Materials gradually transform into dark, crumbly compost

Depending on the conditions, composting can take anywhere from a few weeks to several months.

Commercial composting facilities are designed to maintain ideal conditions, which means they can process a broader range of organic materials like bones, dairy products, and even rigid compostable packaging like corn-based PLA containers and cups. Home composting systems are less controlled and generally more limited in what they can handle.

heat at commercial composting facility

What are the Environmental Benefits of Composting?

Composting is one of the simplest ways to reduce your environmental impact and support more sustainable systems. Here’s why it matters:

1. It keeps waste out of landfills

A large portion of what ends up in landfills is actually organic material. Things like food scraps and paper. Composting diverts that waste and reduces the overall volume heading to landfill.

2. It helps cut methane emissions

When organic waste breaks down in a landfill, it produces methane, a greenhouse gas that’s significantly more potent than carbon dioxide. Composting helps prevent that from happening.

3. It improves soil health

Compost adds valuable nutrients back into the soil, improves its structure, and helps it retain water—reducing the need for synthetic fertilizers.

4. It supports regenerative agriculture

Healthy soil is the foundation of sustainable farming. Compost helps rebuild soil ecosystems and supports biodiversity over time.

5. It closes the loop

Instead of throwing things away, composting turns waste into a resource, creating a more circular system where materials are reused and returned to the earth.

What are the Economic Benefits of Composting?

Beyond environmental impact, composting also offers meaningful economic advantages.

  • Lower waste disposal costs: Businesses can reduce landfill fees by diverting organic waste
  • Reduced input costs: Compost can replace expensive fertilizers and soil amendments
  • Operational efficiency: Streamlined waste systems can improve workflows
  • Revenue opportunities: Finished compost and sustainability initiatives can create new value streams

For municipalities and businesses alike, composting is increasingly becoming both a financial and environmental win.

Wheelbarrow with Compost

What is the Difference Between Home Composting and Commercial Composting?

Choosing between home and commercial composting depends on your needs, space, and the materials you want to compost.

Home Composting

Pros:

  • Low cost
  • Full control over the process
  • Great for households and small gardens

Cons:

  • Requires time and maintenance
  • Limited materials (often excludes meat, dairy, and compostable packaging)
  • Slower process

Commercial Composting

Pros:

  • Accepts a wider range of materials, including food waste and certified compostable products
  • Faster, controlled processes
  • Scalable for businesses and communities

Cons:

  • Requires access to a local service (find one here!)
  • May involve subscription or pickup fees

Key Differences

Factor Home Composting Commercial Composting
Materials Accepted Limited Wide Range
Speed Slower Faster
Convenience Hands-on Managed service
Scale Small Large

compost pile with food scraps

What Can You Compost?

Understanding what belongs in your compost is key to success.

Greens (Nitrogen-Rich)

  • Fruit and vegetable scraps
  • Coffee grounds and filters
  • Grass clippings

Browns (Carbon-Rich)

  • Cardboard and paper
  • Dry leaves
  • Untreated wood chips

Compostable Packaging

Many commercial facilities accept certified compostable products, such as:

Look for certifications like BPI and NSF to ensure items will break down properly in commercial systems.

What NOT to Compost

  • Conventional plastics
  • Chemicals or treated materials
  • Certain foods (depending on the system)

Always check what your specific composting method or service accepts.

compostable materials on a table

What are Common Mistakes with Composting?

Even simple compost setups can hit a few bumps. The good news: most issues are easy to fix with small tweaks:

  • If it smells: You likely have too many “greens” (wet materials). Add more “browns” like paper or cardboard.
  • If it’s not breaking down: Add more greens to kickstart the process.
  • Too wet? Mix in dry materials like cardboard or leaves.
  • Too dry? Add a bit of water or more food scraps.
  • Not enough airflow? Give the pile a turn to introduce oxygen.
  • Adding the wrong things? Stick to accepted compostable materials.

A few small adjustments can go a long way toward keeping your compost working as it should.

How Can I Compost at Home?

Getting started is easier than you might think.

Step-by-Step Guide

  1. Choose a compost bin or pile system
  2. Select a dry, shaded location
  3. Start layering greens and browns
  4. Turn regularly to introduce oxygen
  5. Monitor moisture levels

Indoor Options

Small Space Solutions

Apartment dwellers can compost using compact systems or local drop-off programs.

How Do I Choose a Composting Service?

If home composting isn’t practical, a composting service can be a great alternative.

What to Look For

  • Materials accepted
  • Pickup frequency
  • Certifications and processing standards
  • Transparency in operations

Questions to Ask

  • What happens to the compost?
  • Do you accept compostable packaging?
  • How often is pickup?

Choosing the right partner ensures they compost your waste properly.

Is Composting Good for Businesses?

For restaurants, cafes, and food service operations, composting is a powerful way to reduce waste and improve sustainability.

Key Benefits

  • Lower waste costs
  • Improved brand perception
  • Alignment with customer values
  • Reduced environmental impact

Pairing composting with compostable packaging can create a seamless, low-waste system that customers recognize and appreciate.

commercial composting facility

FAQ’s

How long does composting take? Anywhere from a few weeks to several months, depending on conditions.

Does compost smell? Properly managed compost should have an earthy smell, not a foul odor.

Can you compost meat and dairy? Usually, only in commercial composting systems.

What’s the difference between biodegradable and compostable? Compostable materials break down into non-toxic components within a specific timeframe under the right conditions.

Do compostable products break down in landfills? No. Landfills lack the oxygen and conditions needed for proper composting.

Is composting worth it? Yes. It reduces waste, lowers emissions, and creates valuable soil nutrients.

Conclusion

Composting is one of the most effective ways to reduce waste and create a more sustainable system. Whether you start at home or use a composting service, each step keeps waste out of landfills. It also returns valuable nutrients to the earth.

By learning how composting works, people and businesses can help create a more circular future.

They can do this by making small, steady changes over time.

 

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