In this essay, I intend to discuss some consequences it causes and some solutions can be reversed this trend.
rephrase this sentence. Always avoid' Over-Generalization' in any essay. e.g;
I will discuss consequences of depopulation and some solutions to reduce the impacts of this trend.indisputable fact
undeniable factaffect in many sphere of life in the city
affect many aspects of city life . ( because I do not think it would be appropriate to say 'many spheres of life').
seriousness effects
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serious effectsVery good concepts and solutions, no doubt. only, You need to groom some writing skills.
1. proper Grammar usage, especially, uses of Comma, Definite and Indefinite articles, and punctuation.
2. vocabulary: avoid repetition of words; try variety of sentences.
Rest is fine. Good Luck