61. People become aware of the environment is serious issue.
62. However, we don't do much deal with problem because we seem to be waiting the government to take action.
63. In my opinion, individuals can do things that help solve problem.
64. To begin with, we can be responsible for the way we dispose of our waste.
65. We don't throw rubbish into lakes and rivers.
66. Moreover, we also need to save the water we use because fresh water has been run out of in many parts of the world.
67. Finally, the air we breathe is polluted by exhaust fumes of cars in cities.
68. I think if we use public transport more, we will reduce air pollution.
xong rồi, đúng hết nha, chúc bạn học tốt^^^
