Save the life of an animal by going litter picking.
Explore somewhere like a giraffe, like a tiger, like a hippopotamus, like a human, like a scorpion, like a hyena and like a Komodo dragon.
Travel 100 metres without being seen.
Find a plant that is being damaged, hurt or restricted in some way. Write an email on its behalf to someone who might be able to help. Can you get it the help it needs?
Put on a performance for a CCTV controller. You could improvise a short play, show off a dance routine or hold a full blown talent show.
Design a memorial to remind people of you.
Decorate a pizza like planet Earth, then make, cook and eat it.
Go on a rockpool ramble and show us a snap of what you find.
Go guerrilla and change a place with plants.
Turn a digital camera into a satellite. Hover it above the ground and take a picture of the view below.