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More than 100 people marched to demand action against global warming.
The protester chanted slogans such as "there's no Planet B" as they walked with their banners along Deal High Street.
The adults, teenagers and children left St George;s Church at 11.30am to walk to the offices of their MP, Charlie Elphicke, in The Strand in Walmer.
This was Deal's first climate strike demonstration, organised by the newly-formed East Kent Climate Action.
Founding member Sam Brookfield, of Deal, said: "We are here for a demonstration against the government's lack of action over climate change.
"I've taken most of today off school. In the long term a day's education can be made up but loss of a million species can't be, so it's well worth it."
The march took place about 90 minutes after Prime Minister Theresa May announced her resignation and Sam believed nothing would change with her replacement.
He said; "Theresa May is the figurehead but it is her party, which is messing this up so unless they are all replaced I don't feel there's much hope.
"They all need to go."
Sam is a 17-year-old sixth former from Dover Grammar School for boys along with fellow protest organiser Millie Manners, also of Deal.
She said; "I think the government, especially local government, needs to sort out what is going on with the climate."
Cllr Eileen Rowbotham gave the protesters a send-off speech urging people to lobby their councillors over the issue.
She was elected as new mayor on May 13 but she stressed she was here as a Labour councillor who sees global warming as a top priority.
Sam and Millie gave brief speeches to the protesters midway through the march.
Sam said: "We're under threat from extinction and so are a million other species. A total 200 species go extinct every day. Just a few months ago when the Arctic hit 25 degrees scientists recorded the highest ever carbon dioxide levels. This is now a planet we no longer know. We did not grow up in it. This is not our home because we have destroyed it.
"We need changed government nationally and locally and we need global interactions to fuel that change."
A statement from EKCA before the march said: "This is in protest of our government's lack of action regarding climate action and our constituency MP Charlie Elphicke's direct opposition to any action as shown in his awful voting history."
The Facebook post added: "Our world is in the shadow of catastrophe and we are faced with a blatant choice- our children’s futures, our lives, our peace - or to vote again for a few to pocket a lot."
Today's march came after Kent County Council declared a climate emergency, amid criticism it had let down the county's youth.
EKCA added: "Kent's geographical location, long coastline and population density means that it is likely to suffer from some of the severest impacts of climate change in the United Kingdom.” (KCC)
"This means more severe weather events such as droughts, heatwaves and storms. Damage to our roads, subsidence of our buildings, increased rates of death during extreme cold or hot periods, transport disruption, property damage, wild fires and sea levels rising, to name just a few."
Mr Elphicke, Dover and Deal MP, said: “I am passionate about protecting the environment and tackling climate change. That’s why I asked to meet with the organisers of the march. But they wanted to do this publicity stunt instead. I am very sad about that.
“Because it’s incredible how much the Conservative government has achieved on this important issue.
"We’ve cut CO2 emissions by 3.7% a year – more than any other major industrialised country. It’s been so successful that emissions are now at the level they were in 1888.
“Since I became an MP (in 2010) they have fallen by a quarter.
"Renewable electricity generation has quadrupled. Electricity from coal has tumbled from almost 40% in 2012 to our first 'coal free' generation day last April and the longest coal free stretch ever this April.
"Fully clean electricity now gives us over 50% of our total. We’ve even been cutting down on plastics and micro beads that harm flora and fauna.
“Yet I know there is so much more to do. We should build a land of solar panels on our roofs powering zero carbon electric cars. We need to dump petrol, diesel and coal for good.
“The government has some great plans but they need to go so much faster.
" We need to build a zero-carbon Britain – a beacon for a cleaner planet. That’s why anyone who cares about the environment should go green by voting blue.”