New mayor in Cadiz!

<em>Hi everyone, </em>

<em>today is an special day for a lot of people in my city, Cadiz.</em>

today is a special day

<em>I'm going to explain you why are we happy.</em>

<em>The past 24th of May were the local elections in all the cities around my country.
</em>On the 24th of May, there were local elections in all the cities in my country*. 
*around the country  or  in my country 

<em>This is something ordinary (we vote for these local elections each 4 years)</em>

This is not unusual: we hold local elections every 4 years

<em>but our mayor has been controlling and handling the town hall in her own benefits</em>

but our mayor has been controlling and handling the town hall (or "local government") for her own benefit.
 

<em>(as a big part of the politicians groups)</em>
as have many politicians (I'm not 100% sure what you wanted to say here)

<em>taking the control and earning economic benefits for her and his husband (known for being part of Rato's scandal).</em>
her husband

<em>Here in the town hall, on the plenary sessions a lot of people that were claiming for being evicted from their homes are being censored</em>

Here in the town hall, during the plenary sessions a lot of people that were fighting against being evicted from their homes are being censored

<em>and this is not a correct behaviour that a public charge must have.</em>

and this is not the correct behaviour that a public charge should show.
better: this is not the correct way a public representative should act 
 

<em> Another reason why a lot of people don't want to see her in the town hall is caused because of the elevated percentage of people who are unemployed,</em>
Another reason why a lot of people don't want to see her in the town hall is because of the elevated (or high) percentage of people who are unemployed,

<em>the 40,7% of the citizens are unemployed and this percentage is higher in young people. </em>

40,7% of the citizens are unemployed and this percentage is highest among young people.

<em>So, the new mayor come from a new political group based on the union of different extreme left-side political groups, </em>

So, the new mayor comes from a new political group based on the union* of different extreme left-wing political groups,
* a good word here would be "amalgamation", meaning the same thing as union in this context, but often used when talking about political groups. 

<em>he looks like more devoted than his predecessor and his speeches sound nearer than reality. </em>

he looks like he is more devoted than his predecessor and his speeches sound nearer to reality.

<em>I hope that he will be transparent with the information about the accounts of the city town</em>

I hope that he will be transparent with the information surrounding the financial accounts of the <em>city town</em> (?? just city, or town; not both)

<em>and he let us guide him on the decisions that he will have to take it respecting the opinion of his voters.</em>

and he let us guide him on the decisions that he will have to take and respecting the opinion of his voters.