In what way you can apply reduce, reuse and recycle at home and at school

As we all know we have to reduce reuse and recycle because we our saving our mother earth today and it can also help us, like the bottles in the streets someones just also gonna throw it, so we will just give it to the poor child who dont have any waterconteiner and use as everyday use... and for my sayings today we should have 3 kinds to save garbages, it is reduce, reuse, and the very last recycle