1. Natural resources: These include air, water, soil, minerals, forests, and wildlife that are essential for the functioning of ecosystems and human societies.
2. Renewable resources: These are resources that can be replenished naturally over time, such as sunlight, wind, water, and biomass.
3. Non-renewable resources: These are resources that are finite and cannot be replenished, such as fossil fuels like coal, oil, and natural gas.
4. Biotic resources: These are living resources, such as plants, animals, and microorganisms, that play a crucial role in maintaining ecological balance.
5. Abiotic resources: These are non-living resources, such as air, water, soil, and minerals, that are essential for supporting life on Earth.
6. Ecosystem services: These are the benefits that humans derive from ecosystems, such as clean air and water, pollination, and climate regulation.