First and foremost, I'm not a teacher.
The news and reports from around the world had been rung the tocsin. Many institutes and research centers produced a lot of scientific TV-program and intermediate to show the dangers that occupied our planet, and that was a very good project to explain what was not known for many people in the world to push them press on their government towards reducing the flue gas emission or to find some analysis for this problem.
Some parts of this paragraph are not overt and I'm not sure about it.
- For Teachers