Checking out at the store, the young cashier suggested to the older woman that she should bring her own grocery bags because plastic bags weren’t good for the environment. The woman apologized and explained, “We didn’t have this green thing back in my earlier days.” The clerk responded, “That’s our problem today. Your generation did not care enough to save our environment for future generations.” She was right — our generation didn’t have the green thing in its day. Back then, we returned milk bottles, soda bottles and beer bottles to the store. The store sent them back to the plant to be washed and sterilized and refilled, so it could use the same bottles over and over. So they really were recycled. But we didn’t have the green thing back in our day. We walked up stairs, because we didn’t have an escalator in every store and office building. […]