Which agencies or departments are involved in environmental protection and related concerns? (Select all that apply)

All the agencies or departments listed can be involved in environmental protection and related concerns to some extent. Here is a breakdown:

1. **U.S. Department of Agriculture (USDA)** - Engages in environmental protection through policies related to forestry, land management, and sustainable agricultural practices.

2. **Occupational Safety & Health Administration (OSHA)** - Focuses on ensuring workplace safety, which can include environmental health and safety standards related to hazardous substances and pollution prevention in work environments.

3. **National Academy of Sciences (NAS)** - Provides expert advice and research on science and technology issues, including environmental science and policy, supporting informed decisions on environmental protection.

4. **Department of Energy (DOE)** - Works on energy-related environmental issues, including renewable energy, energy efficiency, and management of nuclear waste, contributing to environmental protection efforts.

All four agencies or departments play roles in environmental protection in various capacities. Therefore, you should select **all of the above** as involved in environmental protection concerns.