Seemingly out of nowhere, Greta Thunberg, became one of the biggest names in the world.

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And now, years later, the activist continues to dominate headlines.

But where did it all begin?

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Starting one day in August 2018, a then fifteen-year-old Thunberg decided to skip school to sit outside Sweden's Parliament in Stockholm with the simple sign, “Skolstrejk För Klimatet" - translating to “School Strike for Climate."

For 3 weeks, the teenager would sit in silent protest outside of Parliament alone...

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And vowed to not stop until her government had done something about the climate change crisis. And it didn't take long for her message to catch on.

Photos of the teen sitting in protest went viral on social media...

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And, suddenly, millions of people were inspired.

Within a year, her message had spread like wildfire...

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And millions of people all over the world had taken to the streets to fight against climate change.

It was a whirlwind year for the teenager.

Thunberg attended numerous marches and protests all over the world and was even invited to the UN Climate Conference in New York, which she traveled to on a zero-emissions boat.

Her damning speech went viral...

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The activist blasted world leaders and politicians for their lack of action regarding climate change. "How dare you," she exclaimed. "I shouldn't be up here. I should be back in school on the other side of the ocean, yet you all come to us young people for hope. How dare you?"

So, fast forward to 2020...

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Greta Thunberg has become somewhat of a household name.

She was nominated for the Nobel Peace Prize last year...

And was declared as TIME's Person of the Year for 2019.

She has risen to unprecedented levels of fame...

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And her unwavering commitment to saving our planet continues to inspire people to live more sustainably every day.

Just a few weeks back, she was in the headlines once again.

After getting involved in the divisive world of U.S politics.

Now, you will all be aware that it's been a very eventful few months here in the U.S.

Joe Biden gained victory in the 2020 presidential elections last month and in January 2021, he will be the president of the United States.

The future is looking bright...

And a lot of changes are going to be made very soon.

Of course, we all know that Thunberg didn't agree with Trump's policies on climate change...

Especially when he made the decision to pull out of the vital Paris Climate Agreement.

But now that Biden will soon be taking over...

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Thunberg has spoken of her joy over the plans for the U.S to rejoin the Paris Climate Agreement.

She's happy that the U.S is finally making progress.

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"I am more than happy that the US will rejoin the Paris agreement; that is absolutely crucial,’ Thunberg told CNN, before explaining that more world leaders need to "start treating the climate crisis as a crisis."

It's more vital than ever to start making changes...

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"We need to communicate the situation where we are, we need to understand that we are facing an emergency," she added. "We need to change the social narrative around this, and of course as young people, we would really appreciate it if we stopped only talking about future, distant hypothetical goals, and targets, and start focusing on what we need to do now."

She then explained that setting future goals of net-zero carbon emissions will only pass on the responsibility of solving climate change to the younger generation, by which time it could be too late.

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"We don’t want to solve these problems for you; we want you to take care of it right now because you are destroying our futures right now," she said.

You can watch her full interview here:

For more, read on to hear about Trump's plans to run as president in 2024...

But today Greta is in the news for a different reason.

This time it’s to do with fashion! Sort of

Greta doesn’t buy new clothes.

Speaking to the Sunday Times to mark her birthday, Greta revealed she opts to ask friends if they have clothes rather than buy new ones herself.

More specifically, she said:

I don't need new clothes. I know people who have clothes, so I would ask them if I could borrow them or if they have something they don't need anymore. The worst-case scenario, I guess I'll buy second-hand.

But Greta isn’t ordering you to follow suit.

I'm not telling anyone else what to do, but there is a risk when you are vocal about these things and don't practise as you preach, then you will become criticised for that and what you are saying won't be taken seriously.

Fair play.

How can anyone argue with that? She’s doing what’s best for her and the environment without demanding others to copy her.