We could cut our ecological foot print by turning off our computors and going into the garden to stand very still (anything else, like cutting the grass, or digging, might use resources, or disturb the wildlife) but we aren't going to.
Don't know the asnswer, but years ago I didn't join Friends of the Earth because I couldn't justify driving 10 miles to go to meetings. So I joined a dance club instead (only 8 miles away, but that led to another 35 miles away)