Here are the completed sentences using the provided phrases:

1. We have an eco committee that focuses solely on improving our products, packaging, and processes to be as **eco-friendly** as possible.
2. Consumer research indicates that toasters continue to be a popular **household appliance**.
3. A way to save energy is to **reduce** the amount of electricity used at home.
4. Natural resources are materials from the Earth used to support life and **meet** people's needs.
5. More and more people **adopt** a green lifestyle, which is good for themselves and the environment.
6. The sun is a powerful **energy** source, and this energy source can be harnessed by installing solar panels.
7. **Organic** farming is better for the environment because it doesn't use harmful chemicals.
8. The club hopes to **raise** public awareness of the environmental issues.