Here’s some advice on how to protect the environment using should, ought to, and had better:

1. You **should** plant trees or create a school garden. This helps improve air quality and enhances biodiversity.

2. You **ought to** take public transport to school. It reduces carbon emissions and helps decrease traffic congestion.

3. You **had better** bring a reusable water bottle to school. This minimizes plastic waste and ensures you stay hydrated.

4. You **should** refuse single-use products whenever possible. Opting for reusable items is a great way to reduce plastic pollution.

5. You **ought to** turn off the lights after class. This saves energy and helps create a more sustainable school environment.