> The highest impact things an individual can do, roughly in order are: Don't have children. Don't own a car. Don't fly internationally. Don't eat meat. Don't e

> The highest impact things an individual can do, roughly in order are: Don't have children. Don't own a car. Don't fly internationally. Don't eat meat. Don't eat dairy. Don't eat imported food. Living in a small and well-insulated flat should also make a sizeable impact.