The human impact on our environment on Earth has concerned me since I can remember. The issue was first raised in my family when I was six years old in 1973. I remember this vividly because of the car free sundays introduced by the Danish government in response to the oil cricis. Car free sundays from november to february meant no driving. I recall the excitement of walking through the abundant snow with my brother to the baker for breakfast rolls, playing out the scenes of Laura Ingall Wilder’s Little House on the Prarie that our mum was reading to us.