1. Word/phases: car-sharing 

Category: transportation

2. Word/phases: recycling 

Category: waste

3. Word/phases: energy efficiency 

Category: energy

4. Word/phases: vegan diet 

Category: food

5. Word/phases: traditional energy sources 

Category: energy

6. Word/phases: food waste 

Category: waste

7. Word/phases: emission 

Category: waste

8. Word/phases: home working 

Category: transportation

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