Greta Thunberg: Climate change activist sets sail from Plymouth

Greta Thunberg said her voyage across the Atlantic "is going to be a huge challenge"

PA Media Greta — Greta Thunberg said her voyage across the Atlantic "is going to be a huge challenge"

Environmental activist Greta Thunberg has set sail from the UK, bound for UN climate summits in New York and Chile.

Fans gathered to wave her off on her voyage across the Atlantic.

The 16-year-old made a speech ahead of departing from Plymouth on the Malizia II, a racing yacht with underwater turbines.

Greta said she was dedicated "to do everything I can" to tackle climate change which was a "very big problem".

The teenager, who refuses to travel by air because of its environmental impact, said of climate sceptics: "There's always going to be people who don't understand or accept the united science, and I will just ignore them, as I'm only acting and communicating on the science."

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She added she thought people's mindsets were changing "even if it's not enough, and not fast enough, that's something, it's not for nothing".

Greta waves from aboard the Malizia II as she leaves Plymouth for America

Getty Images Greta — Greta waves from aboard the Malizia II as she leaves Plymouth for America

The journey will take two weeks on a boat with no toilets, kitchens or privacy

Greta was asked if she could make US President Donald Trump listen, and she answered with a simple "no", prompting laughter from the crowd.

"I'm not that special. I can't convince everyone," she said.

"I'm just going to do what I want to do and what will have most impact."

Inside the boat Greta Thunberg will be travelling on to cross the Atlantic

The captain of the Malizia II, Boris Herrmann, appeared alongside her.

He thanked Greta for her courage and called the issue of climate change a "race against time".

Greta said her two-week trip would pose challenges including seasickness, but said many people in the world were suffering a lot more than that.

"I was test sailing two days ago and we went out for several hours," she said.

"I didn't feel bad or anxious, I felt seasick for about one or two minutes, then it stopped.

"I will just have to see, get on the boat and and see what happens, and that is also very exciting."

The 18m (60ft) yacht they are using was built to compete in the 2016-17 round-the-world Vendée Globe race.

She told the BBC that travelling by sea shows "the climate change crisis is a real thing".

The Malizia II was built for high-speed, long-distance endurance races around the world

Getty Images Greta Thunberg — The Malizia II was built for high-speed, long-distance endurance races around the world

Before boarding the yacht Greta said: "I've never done anything like this before, I can't really say what's going to be the biggest challenge, I will have to find that out"

Getty Images Boat — Before boarding the yacht Greta said: "I've never done anything like this before, I can't really say what's going to be the biggest challenge, I will have to find that out"

Greta on board the Malizia II preparing to depart from Plymouth

Reuters Greta on boat — Greta on board the Malizia II preparing to depart from Plymouth

The Swedish teenager's "school strikes" have inspired a global climate change protest movement driven by young people.

'My daughter wants to be her'

Laura Jackson and daughters Cicely and Tilia, who took part in the school strikes, are planning to strike again on 20 September.Ms Jackson said: "It's very exciting for them to be part of this.

"They often feel that they're too small to make an impact and the strikes make them feel really empowered.

"My daughter Cicely wants to be a Greta."