How polluted is the air around us?
Discover how polluted the local air is by identifying lichens growing on trees.
Low. This should be easy but take care.
Take a responsible friend with you to help with this challenge.
Doing missions on this website can be dangerous. Always get permission before exploring and make sure your plans are reasonably safe. A place that is safe one moment can become dodgy the next so keep your wits about you. We cannot take any responsibility for any injuries or harmful effects resulting from your actions. It's your job to survive your explorations intact.
To increase your chances of success complete our training and safety tips before starting. That way you are more likely to win points and keep your head on.
Mission Id: 3153