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It’s a horrible disaster and people are dying everywhere!
It is a serious issue that needs immediate attention.
I think people should recycle more because I think it’s good.
Recycling should be encouraged as it benefits the environment.
A lot of people, a lot of problems, a lot of time…
Many people, numerous problems, much time.
Many people travel by plane, it causes pollution
Many people travel by plane. It causes pollution.
Or: Many people travel by plane, and it / which causes pollution.
A lot of people think it’s super important.
Many people believe it is very important.
To sum up, this issue is kind of a big deal.
To sum up, this issue is highly significant.
Nowadays technology is developing very fast and people are using it more and more and it helps them but also has disadvantages.
Nowadays, technology develops rapidly. Although it is useful, it also has disadvantages.
However people still prefer driving.
However, people still prefer driving.
Firstly, the pollution is bad, second, it makes people sick.
Firstly, pollution is harmful; secondly, it affects people’s health.
Environment is important for future generations.
The environment is important for future generations.
But pollution is still a problem.
However, pollution remains a serious problem.
The students’s opinion is important.
The students’ opinion is important.
We can’t ignore this problem.
We cannot ignore this problem.
If people recycle more, the planet is cleaner.
If people recycled more, the planet would be cleaner.
You can find information easily on the Internet.
Information can easily be found on the Internet.
We need to recycle reduce energy and save water.
We need to recycle, reduce energy, and save water.
The problem is big. This big problem affects big cities.
The problem is serious. It mainly affects large cities.
There are many informations about climate change.
There is a lot of information about climate change.
Technology is very useful it helps students learn faster.
Technology is very useful. It helps students learn faster.
Some people prefer walking, others prefer cycling; both are healthy.
Some people prefer walking; others prefer cycling. Both are healthy.
Or: Some people prefer walking, while others prefer cycling.