Schoolchildren around the United Kingdom have been displaying home-made placards during the Youth Strike 4 Climate action.
The protests, which took place in London and Belfast among other locations, saw students demand the Government declare a climate emergency and take active steps to tackle the problem.
Their message was largely conveyed via placards and signs – here are 12 of the most powerful from the thousands of protesters who took part.
1. Are you fracking kidding me?!
Demonstrators during a climate change protest in Bristol. (Ben Birchall/PA) (Ben Birchall/PA Wire/PA Images) 2. I speak for the trees, for the trees have no tongues
Demonstrators during a climate change protest in Bristol (Ben Birchall/PA) (Ben Birchall/PA Wire/PA Images) 3. Can we fix it? Yes we can
Demonstrators during a climate change protest in Bristol (Ben Birchall/PA) (Ben Birchall/PA Wire/PA Images) 4. No planet B
A placard made for a protest regarding climate change (@aliceplayingout) 5. Sea levels are rising, so are we
Students from the Youth Strike 4 Climate movement during a climate change protest on Parliament Square in Westminster, London (Stefan Rousseau/PA) (Stefan Rousseau/PA Wire/PA Images) 6. We are the first generation to feel the effects of climate change and we are the last that can do anything about it!
Students from the Youth Strike 4 Climate movement during a climate change protest on Parliament Square in Westminster, London (Stefan Rousseau/PA) (Stefan Rousseau/PA Wire/PA Images) 7. We can’t drink oil, we can’t breathe money
Students from the Youth Strike 4 Climate movement during a climate change protest on Parliament Square in Westminster, London (Stefan Rousseau/PA) (Stefan Rousseau/PA Wire/PA Images) 8. Sorry I can’t tidy my bedroom, I have to save the planet
Archie Agnew, aged 8, at a climate change protest outside Belfast City Hall (David Young/PA) (David Young/PA Wire/PA Images) 9. Global warming. Oh no
A placard made for a protest regarding climate change (@Lydia_Guthrie) 10. Learn to change or learn to swim
Students from the Youth Strike 4 Climate movement outside the gates of Downing Street during a climate change protest on in Westminster, London (Nick Ansell/PA) (Nick Ansell/PA Wire/PA Images) 11. You say you love your children but you are destroying their future
Students strike during a climate change protest in Huddersfield (Danny Lawson/PA) (Danny Lawson/PA Wire/PA Images) 12. Respect existence or expect resistance
Students from the Youth Strike 4 Climate movement blocking traffic during a climate change protest on Parliament Square in Westminster, London (Nick Ansell/PA) (Nick Ansell/PA Wire/PA Images)