Measure and record all the spaghetti you eat. Keep a record of what you've eaten the height of.
How far can you travel while sucking the same mint?
Draw a picture of a continuous, 360 degree, view from under one or more trees in a park or wood.
Discover how polluted the local air is by identifying lichens growing on trees.
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.
Decorate a pizza like planet Earth, then make, cook and eat it.
Go out with a trash bag and collect trash. Turn the items into a piece of art and try to get it featured in your local newspaper as a way of demonstrating any problems of consumption and waste...
Point at something and hold your pose. How many people stop to see what you are pointing at?
Make it feel like you are experiencing déjà vu
How many times can you spot Devon’s ‘new’ flag while exploring the county?