Sana matulungan nyo po ako.
useful or harmful

1. throw trash out of the window.
2. cutting of trees.
3. donate toys.
4. pour chemicals into the drainage.
5. recycle cans and bottles.
6.use native basket instead of platic when you buy groceries.
7. repair chairs instead of buying new ones.
8. set up compost pile to compost yard trimmings.
9. segregate waste according to their properties.
10. leave the water running when washing dishes.