Extinction Rebellion Brighton marched through Mitcham, as part of a week-long, fifty mile voyage to 'help sound the alarm' about climate refugees.

Activists took to the streets of Mitcham with a 20ft boat named after climate activist, Greta Thunberg on September 4.

Around 40 activists were seen parading past the The Windmill Pub and into Mitcham Town Centre with a samba band in tow.

XR Brighton will be covering around 10 miles a day, and stopping off in various locations along the way – including Sutton, Tooting, Brixton and Vauxhall.

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The team of activists says, the voyage aims to engage with people about the climate and ecological emergency, and raise awareness of the "horrifying plight of climate refugees."

Extinction Rebellion Spokesperson Claudia Fisher said: “The voyage of Lightship Greta will echo the journey that many climate refugees are taking right now and many millions more will be forced to undertake.

"More of us will be displaced and have to leave our homes for each degree of heating of our earth.

“As the seawater rises and the fires burn, where would you go?

"This is a crisis that will impact us all - it is just a matter of time, and time is running out."

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“The United Nations estimates there are already 25 million climate refugees and this number is expected to double over the next five years.

"By 2050, it’s estimated that there will 10 times the amount of refugees that we have today.

“That means that one in every 45 people in the world will be forced to become a climate refugee due to unprecedented levels of environmental degradation and global heating.”

Faith Terry-Doyle, of Extinction Rebellion Brighton, said: “We have the responsibility to make a stand and put an end to this unsustainable and deeply unethical way of living.

“We have the responsibility to do this for our fellow humans on this earth, and for future generations to come.

“Pulling a huge Lightship from Brighton to London is hard, talking about the climate crisis is hard, and dealing with the climate crisis is even harder.

”But when we pull together we can make great change. Our government isn’t protecting us, and we need people power to change this.”