Concord Monitor: G’day from Down Under. I am in Australia visiting my sister, a hobby farmer north of Melbourne. Far from my green hills in Bow, New Hampshire, this is quite a different scene – and it isn’t pretty. Climate change is plain to see in southern Australia. After 10 years of seriously below average rainfalls, folks have had to adapt: There is a weekly two-hour outdoor water restriction. Residents collect every bit of what little rain they get. They have re-landscaped their yards with …