Governments play a crucial role in environmental protection through **regulation**, **policy-making**, and **enforcement**. They establish **laws and regulations** to limit pollution, manage natural resources, and protect ecosystems, such as the Clean Air Act and Clean Water Act. Governments also **support environmental research** and **invest in sustainable technologies** to promote innovation. **International agreements**, like the Paris Agreement, are facilitated by governments to address global environmental issues. Additionally, they can implement **incentives** for businesses and individuals to adopt eco-friendly practices. By setting standards and frameworks, governments help ensure long-term environmental sustainability and public health.