写一段英语对话 topic：Think about the issue"How to protect our envri

A:oh,the weather is getting warmer and warmer,you know,just because of the "greenhouse" caused by all kinds of pollution from cars and so on。B:yeah,so the government have annouced a law for limiting the number of cars and promoting buses。many busness began to study new resourse to replace normal fuel。By the way,do you know that we will have to use once-used plastic bags with money?A:that's what we can do as citizens。For the farther environment,it worthy paying for it。i think we can join in many environment protection oriengnation for abroading our idea。B:most people do that,what really troubles is that mang company refused to do their duty protecting environment,after all,they have to reduce the profit。A:maybe govornment can take administrative actions?a good envrionment can do good to everyone,including the companies。B:so let's tell them that,there will be a activety hold by school to plant trees and teach skill of saving water,would you like go with me?A:oh,certainly。