You are going to give a talk about the protection of the environment. You will have to start in 1,5 minutes and speak for not more than 2 minutes (10-12 sentences). Remember to say: — what the word "ecology" means; — what pollutes the Nature; — what the main ecological problems are; — what measures should be taken to protect the Nature. You have to talk continuously.

You are going to give a talk about the protection of the environment. You will have to start in 1,5 minutes and speak for not more than 2 minutes (10-12 sentences). Remember to say: — what the word "ecology" means; — what pollutes the Nature; — what the main ecological problems are; — what measures should be taken to protect the Nature. You have to talk continuously.