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Greta Thunberg (pictured, as the boat is docking) sailed from Plymouth, Great Britain to New York City on a sailboat called the Malizia.

After two weeks sailing across the Atlantic, 16-year-old Swedish climate activist Greta Thunberg arrived in eco-friendly fashion to New York City Wednesday to attend a global warming conference.

Thunberg, who refused to fly due to planes’ high carbon emissions, touched dry land around 4 p.m. in lower Manhattan after sailing from Plymouth, England.

“This is very overwhelming, the ground is still shaking for me,” Thunberg said after she climbed off the boat to crowds of activists chanting “Greta! Greta!”

The teen — who has inspired peers to join a growing movement against climate change — braved the seas alongside her dad and a crew during their 14-day journey aboard a zero-carbon sailboat called Malizia II.

“It’s insane that a 16-year-old has to cross the Atlantic Ocean to make a stand,” Thunberg said, calling climate change “the biggest crisis humanity has had to face.”

Hundreds of fans, including fellow teens from across the globe and activists with signs bearing her face, gathered near the North Cove Marina to welcome Thunberg to the city, where she’ll speak next month at the United Nations Climate Action Summit.

But before she takes on the world’s leaders, Thunberg said she wants to take the next few days to go on walks and eat fresh food, instead of the freeze-dried options on the ship.

“I’m going to relax for some days now,” she added, saying that she looks forward to being dry and clean.

Thunberg’s journey was just her latest attention-grabbing feat in an ongoing campaign to highlight the impact of climate change.

She first made headlines when she launched a school strike last year before Sweden’s general election to protest global warming. Her weekly “Friday for the Future” protests gained traction with other teens, inspiring other student strikes in about 100 cities across the world.

“This past year, my life has turned upside down,” Thunberg said before her trans-Atlantic journey. “Every day is an adventure, basically. Sometimes I have to pinch myself and say ‘Is this really real? Has this actually been happening?’ Because it has all happened so fast and it’s hard to keep up with everything.”

The activist — who has been nominated for a Nobel Peace Prize — has credited being on the Autism spectrum with helping her explain climate change in clear-cut terms.

“I was diagnosed with Asperger’s syndrome, OCD and selective mutism,” she said at a 2018 TED Talk in Stockholm. “That basically means I only speak when I think it’s necessary. Now is one of those moments.”

With Post wires