People in big cities are facing many health challenges due to a high level of air pollution. What causes air pollution in big cities? Can you suggest some ways to deal with this situation?

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It is true to say that nowadays numerous large
cities
face
with
Change preposition
apply
show examples
environmental problems like
air
pollution
.
Moreover
, there are many factors that contribute to
air
pollution
because of human activities,
such
as carbon emissions, overconsumption, and rapid population growth.
However
, I strongly believe that there are some things that humankind can do to prevent and overcome
this
problem. First of all, the population in large
cities
grows rapidly, and when it comes to thinking about the area in which
people
live, that does not change. In regard to
this
, building structures quickly increase, and
this
can block the airflow in the city.
In addition
, many buildings mean that
people
use
lots of petroleum resources to heat their houses. These unrecyclable fuels are one of the most essential factors contributing to
air
pollution
in
cities
.
Moreover
, the organized industrial zones are located near large
cities
, which spread some chemicals into the
air
as many of them have no filter for their waste.
On the other hand
, there are numerous things to overcome with
air
pollution
,
such
as making laws, planning action plans, and reinforcing pro-environmental
behaviors
Change the spelling
behaviours
show examples
.
To begin
with, governments play an essential role in making laws and policies about restricting the spread of chemicals in factories.
In addition
, some policies can be made to reinforce and encourage
people
to
use
cars that work with electricity
instead
of petroleum, yet promote the
use
of public transportation.
Furthermore
,
people
can take individual actions to lower their carbon footprints and decrease
air
pollution
by avoiding the habit of overconsumption and tending to
use
green products.
Last
but not least,
air
pollution
has become an essential problem all over the world, and it worsens with the consequences of the climate crisis.
However
, it is possible to prevent
this
problem by taking action by governments and
people
with increasing pro-environmental 
behaviors
Change the spelling
behaviours
show examples
.
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Include an introduction and conclusion

A conclusion is essential for IELTS writing task 2. It is more important than most people realise. You will be penalised for missing a conclusion in your IELTS essay.

The easiest paragraph to write in an essay is the conclusion paragraph. This is because the paragraph mostly contains information that has already been presented in the essay – it is just the repetition of some information written in the introduction paragraph and supporting paragraphs.

The conclusion paragraph only has 3 sentences:

  • Summary
  • Restatement of thesis
  • Prediction or recommendation

Example:

To summarize, a robotic teacher does not have the necessary disciple to properly give instructions to students and actually works to retard the ability of a student to comprehend new lessons. Therefore, it is clear that the idea of running a classroom completely by a machine cannot be supported. After thorough analysis on this subject, it is predicted that the adverse effects of the debate over technology-driven teaching will always be greater than the positive effects, and because of this, classroom teachers will never be substituted for technology.

Start your conclusion with a linking phrase. Here are some examples:

  • In conclusion
  • To conclude
  • To summarize
  • Finally
  • In a nutshell
  • In general

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