To make your school greener, here are some tips you can follow:

1. In every classroom, you can put recycling bins for paper, plastic, and other recyclable materials. Encourage students and teachers to recycle and properly dispose of waste.

2. Instead of throwing away old uniforms, you can donate them to charity or organize a clothing swap among students. This way, you can reduce waste and give new life to old clothing.

3. Rather than buying new books every year, consider setting up a book exchange program at your school. Students can trade or borrow books from each other, reducing the need for new purchases.

4. If you bring water bottles to school, opt for reusable bottles made from materials like stainless steel or BPA-free plastic. This helps reduce plastic waste from single-use water bottles.

5. Planting trees is indeed a good tip for making your school greener. Trees help improve air quality, provide shade, and support local wildlife. Consider organizing tree planting events or creating a school garden to promote environmental sustainability.