New career goal

It Today is quite a different day, although (it) seems definitely a normal day. as usual.
I made a big decision, which would bring have  a significant impact on my future career. That is, I gave myself a goal: I would like to become a freelance 2 years later. I have to prepare for this it.
From now on, everyday, Not an alarm wakes me up, but a dream! An alarm won't wake me up, but a dream will!

Good job, I hope you end up going freelance! The last line just needed a bit of fixing: the negative 'not' changes to 'won't' here, or 'didn't'. (Just contractions of will not and did not.) A good poetic touch. ;)

checking grammar

Hello community
I need to present a short exposition (5 minutes) of an argumentative essay about solar energy.
Can you help me, check it? please

Good evening teacher, good evening guys
I’m going to talk about my argumentative essay
The main topic of my essay is solar energy.
If you ask me why do I want to talk about that topic,
The answer is simple: solar energy is the solution to climate change.
In my opinion, it's time to stop using fossil fuels.
Fossil fuels are the planet's number one enemy: (they cause) air pollution, health problems, climate change.
Fossil fuels cause these problems.
In recent years engineering has been developing new solar technology.
For example, there are airplanes powered by solar energy, solar cars and solar panels that supply homes of electricity. These advances are important in demonstrating that solar energy can solve the problem of climate change, but there is still a lot of work to be done. Therefore, the biggest challenge that engineers face today is to position solar energy as the energy of the future above fossil fuels.
These are the 3 reasons that support my thesis
First reason: the days of life of (using) fossil fuels are numbered.
According to a study from the International Energy Agency, the oil supply will run out in 53 years, natural gas in 54 years, and coal in 110 years.
Second reason: the problem with solar energy storage is being solved.
For example, thanks to the Tesla Powerwall battery you can store the sun's energy during the day and use it when you need it.
Third reason: the costs of solar energy have decreased.
In India for example instance, the price of a kilowatt per hour of solar energy equals the price of traditional electricity
My conclusion is: if engineers can make solar better technology with solar energy, reducing their costs, solar energy will be consolidated as the main source of energy on the planet, and fossil fuels will be eliminated as an energy tool source.
I elaborated my essay following the hamburger model.
Firstly, I answered the question: what is the biggest challenge that engineers face today?
My answer is the essay thesis.
Secondly, I established my arguments and examples of reliable sources to support the ideas.
Finally I elaborated my conclusion.
The sources that I consulted to elaborate my essay were: The International Energy Agency, the World Health Organization, the U.S Department of Energy and this famous newspaper, the New York Times.
Thank you for your attention

Pretty good grammar, just make sure to remember your articles and watch your capitalization! Good luck speaking. ;)

Education

Currently, system education the educational system is as similar as like it was two centuries ago. Although there are many experts who agree with to changing the system education to develop student skills. Theoretically, students should learn to develop their own ideas, however, students usually memorize every lesson that they have to learn.

It's true that technology is used at schools like as a tool to teach students, and it has changed education, but reflects depends on the system education educational system/curriculum that they teach students like two centuries ago. Instead of learning in a group, explaining every lesson that a student has learned, students have more facilities to search for information on the internet and they learn a lot of things individually. So, students have are more likely to improve their education than three decades ago. Generally, teachers are people who are very qualified, and therefore they are key to teaching.

I have two different experiences. When I went to school there weren't was little technology in schools. I didn't have the internet at home until I was 18 years old. So, I didn't use to use technology when I was studying. Generally, all students memorize their notes to pass the exam. Now, I work at schools as a computer technician, and I can observe that there are schools where teachers teach students while students are working in a group or they have to explain their own ideas in the classroom. So, it's more fun than ever. Students are learning while they are playing. I think these schools are changing education, but not all schools use the same system.

Good job! I could read much of what you wrote. Just remember to add the -ing ending to the stem if you want to use the progressive:

'Estoy aprendiendo' - 'I am learning' using the verb 'to be'.

Other than that it's just a couple of conjunctions and small things.

I agree with you too. Computers are fun! ;)