The government should close companies that produce toxic waste materials without their own waste tre

There are a lot of concerns about environmental changes due to excessive development in the world. Global warming is the most important issue that we have to solve. I have seen a news about the earth\'s crisis because of environmental problem. According to the news, the temperature in most part of the world will be increasing over 30 Celsius so our descendants will live under the circumstance that people can\'t live. Companies which produce a lot of toxic waste materials should be punished by the strict law. If companies didn\'t comply with the environment preventive law, government should order companies to be closed. There are many ways to prevent environment. Installing the facility to clean polluted materials is one of the way to keep our environment clean. It can also help us to create the law which restrict waste.