We should do the following
  For waste: Limit the use of plastic bags. At home, waste should be sorted, for waste such as plastic bottles, paper, plastic bags, etc. to collect scrap to reuse, saving resources. At the office, you should save paper, read the text before printing, take advantage of single-sided paper ... In public places, do not have to throw rubbish indiscriminately on the street, have to find a place to trash, throw, When going out, picnic, clean garbage, clean and throw in the right place. Avoid littering on rivers, roads, sidewalks.

- For trees: Do not break branches, break trees, plant and care for trees at home as well as agencies, condemn and criticize cases of failure to preserve and protect trees in public places.

The environment plays an important in our life. However nowaday environment is becoming polluted by some following reasons. Firstly some people aren't a ware of protecting the environment. Fox example garbage is thrown everywhere moreover the deforestation still happens in many coutries. Secondly our environment is polluted in by exhaust fume from factories and vihicles so the local authorities should prohibit and five heavily the factories that populle the environment. Beside that we don't cut down trees, we should plant trees to protect the forest.