Соч You are working in an organisation that protects the environment in your country: clean the streets; preserve national reservations; organise campaigns to raise money to preserve endangered animals (e.g., Saiga, snow leopard, flamingo, etc.)
Your new idea is to write a formal letter to the local mayor to ask him / her for any help he / she can provide to help your organisation. Include in your letter the following information:

The current environmental problems;
What your suggestions are for solving this problem;
How you would like the mayor to help you / your organisation. ​

Вот про Илья Ильич МечниковIlya Ilyich Mechnikov (FR. Élie Metchnikoff; 3 [15] may 1845, Ivanovka, Kharkov province of the Russian Empire, now Kupyansk district, Kharkov region of Ukraine - 2 [15] July 1916, Paris) - English[3][4] and French[4] biologist (microbiologist, embriologist, embryologist, immunologist, physiologist and pathologist). The Nobel prize in physiology and medicine (1908).One of the founders of evolutionary embryology, the discoverer of phagocytosis and intracellular digestion, the Creator of the comparative pathology of inflammation, immunity phagocytic theory, theory of favoritely, the founder of the science of gerontology.

1.I have been studing English since 2006

2. He has been building the house in the village for 2 years

3. They  have been reading this  book since Friday

4. She has been writing her composition for 2 hours

5. We have been walking to the town since 3 o*clock

6. I have been cooking dinner for my family for half an hour

7. They have been watching a new film for an hour

8. The kitten has been playing with a toy since this  morning

9. Ann has been speaking over the telephone for 40 minutes

10. They have been working there since 2008