People can volunteer to protect the environment in many ways. They can join local clean-up drives to pick up trash from parks, beaches, and streets. Another great way is by planting trees or participating in reforestation projects. Some people also volunteer to teach others about recycling and how to reduce waste. They can also help protect wildlife by volunteering at animal sanctuaries or nature reserves. By joining community gardening projects, they can grow their own food and reduce the need for transportation. Lastly, they can also spread awareness about environmental issues and motivate others to take action. Every small effort counts, and when many people come together, it makes a big difference for our planet.