Sustainable Communities
Composting
Learn the essentials of composting, from understanding decomposition to building systems, troubleshooting challenges, and using finished compost effectively, empowering you to reduce waste and enrich the environment sustainably.
Course introduction
In this course, you'll discover how to turn everyday organic waste into valuable compost that nourishes the soil and supports sustainable living. You'll explore the basics of composting, understand the science behind decomposition, and learn how to create and maintain your own compost system.
By completing this course, you’ll gain practical skills to reduce waste, combat climate change, and contribute to healthier ecosystems. Composting is a simple yet powerful step toward a more sustainable future—your efforts can make a real difference.
Are you ready to take action and start transforming waste into something meaningful? Let’s begin!
What you will learn
Curriculum
3 modules · 6 lessons · 1 assessment · about 23 min total
Composting is a natural process that turns organic waste into nutrient-rich material for the soil. In this section, you’ll learn what composting is, why it’s essential for the environment, and how it fits into a sustainable lifestyle.
You'll also explore the fascinating science of decomposition, including how to balance materials to create an effective compost pile.
This foundational knowledge will set you up for success as you start your composting journey. Let’s dive in and discover the basics of turning waste into a valuable resource!
Now that you understand the basics of composting, it’s time to put that knowledge into action. In this section, you’ll learn how to choose the composting method that best suits your lifestyle and space, whether it’s backyard composting, vermicomposting, or even bokashi.
You’ll also discover the tools, techniques, and materials needed to build and maintain a healthy compost pile, along with what you can and cannot compost. By the end of this section, you’ll be ready to set up your own system and start turning waste into rich, valuable compost!
You’ve learned how to start composting—now it’s time to master it. In this section, you’ll tackle common composting challenges, such as odors, pests, and slow decomposition, and discover how to maintain a balanced and efficient system.
You’ll also explore how to identify when your compost is ready to use and learn practical ways to apply it in gardens, houseplants, or community projects.
The UN SDGs are 17 global goals for a fairer, sustainable world by 2030.
Learn moreYour Composting Helps Achieve Global Targets
This course empowers you to transform organic waste into a valuable resource, directly supporting SDG 12: Responsible Consumption and Production. By diverting food scraps and yard waste from landfills, you minimize pollution and conserve natural resources. This action significantly reduces the environmental impact of consumption, promoting sustainable resource management at a local level. Composting is a tangible step towards a circular economy and a healthier planet.
Reviews
This course gave me a solid foundation for starting my composting journey, covering everything from worm bins to troubleshooting. I just wish there were a few more advanced tips for larger scale operations.
Totally transformed my food waste into garden gold, super clear and actionable advice!
Frequently Asked Questions
We are the leading online sustainability education platform. Our mission is to make sustainability knowledge accessible to everyone, by making it engaging to learn and genuinely rewarding to finish. People change what they do once they understand the world around them and the difference they can actually make.
It is genuinely free. You never pay to sign up, to take a course, or to receive your reward, and we never ask for a payment method. The rewards are funded by VeBetterDAO, an organisation distributing rewards to approved sustainability apps every week.
About 23 min of lessons, 6 lessons in total, plus a short assessment at the end. There is no deadline and no fixed schedule: your progress saves automatically as you finish each lesson, so you can stop halfway through a module and continue later on any device. Access does not expire.
Yes, and you can check it yourself. Lessons are built on published evidence, peer-reviewed research, UN and government agency data, and public datasets. Factual claims carry numbered citations you can click through to the original source. Read our editorial policy for how we handle contested evidence and sponsored content.
With an email address, or with your Google, X or Microsoft account. Creating an account takes under a minute and puts you straight into the first lesson.
