Photograph evidence of where a non-native plant or animal has invaded a local ecosystem. Produce a ‘spotter’s guide’ to these invasive species.
As you pass through this bird reserve, mark each bird you see, hear or sense out of five on different criteria. You can judge them on how pretty they are, how good they sound, how big their poops...
Thank a bee on this bridge for playing its part in pollinating plants around the world and helping to make your dinner.
Sit in silence for one minute and listen for as many different bird tweets, chirps, whistles or songs as you can.
Is it worth hiding here? Spot as many birds as you can in 3 minutes by hiding behind this hiding screen and looking west. Try again, but this time don't hide and look east. Which is better?
Locate this Bronze Age family and look at the landscape through their eyes.
Measure wind speed and direction by blowing bubbles, then report your findings online.
Find this sign and explore the area.
Find your favourite wild flower. Let it know how you feel about it.
Go for a walk. At each junction flip a coin to decide which direction to go next.