Getty ImagesIt's a busy week for climate campaigner Greta Thunberg.
The 16-year-old is marking a year since she began her 'School Strike for Climate' protests and she has just reached the halfway point of her big boat journey to the US.
Back in August last year Greta called on school children across the world to miss school every Friday to protest against climate change.
She started the protests to demand that world leaders act to tackle the problem of climate change.
Since then her protests have been joined by millions of children and adults too.
Twitter/Greta ThunbergSo what would you like to say to the climate activist? Do you have a message of encouragement for Greta on her journey? Maybe you'd like to congratulate her on a year of protests?
Send us a video using the CBBC Buzz app or send in a message for Greta using the comments below.
Her latest move - a journey entirely by boat across the Atlantic Ocean - is designed to highlight how travel impacts the environment.
Greta is travelling from the UK to America to attend two climate conferences there. But the activist will not travel by aeroplane, or by cruise ship because of the effect these types of transport can have on the planet. Both modes of transport use non-renewable fuel, cause pollution and release carbon into the atmosphere.
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Simra
you have gone so far even with so much hate. that is the most amazing thing and u will make history!! Well done and good luck on the rest of your journey. your biggest fan who is learning about you at school.
jedi
U17840733
your fan- Cayden
Dear Greta:Never give up, what you're doing is amazing-Jay
Dear Greta I know you are on a boat to the USA right now but I want to wish you good luck - Adian
Dear Greta,I hope you have a safe journey on your boat- Isabella
Dear Greta,You are so smart you are the bravest girl I know -Calvin
unicornfluffymagic
Do you have any tips on how to deal with hate. I`m assuming you might have been through this with your campaign. Good Luck!
U17830956
Change and Inspiring Millions to follow your Technique. You have
Became Thousands of people's Role model. Send the world your message (s)
We all know that no one can stop you from Being awesome, Just like the way
you just are! Ignore that Haters too, Because We all Love you! Just bear In
mind that You deserve Everyone's attention, Because you're awesome, you are
so important for Those Generations to come! Don't stop, Because you are Super
Important Just the way you are :) ’’
FridaysForFuture
⚑ 💕 ☏ Chloe ☏ 💕 ⚑
jedi
U16473577
Thank you for doing something to raise the attention on climate change. It has become one of the most talked about subjects in teens now.
Thank you for doing this trip to show the world your message.
I love you slogan "unite behind the science"
Ignore that haters
Nay x
otterlw
It is amazing that you are doing this and I think that it is great that you are doing something that needs to be done and nothing really is happening to stop it!
Ps: I have Aspergers too!
U17709970
I wish you really good luck for the rest of your journey and life.
Ruby
Bye!!❤⛵🌍👏