Earth Day has come and gone, but that doesn’t mean that your green habits need to stop. This spring we have been taking a lot of walks together; we have built that in as a new habit after dinner most nights and weekends. We are a pretty active family already, but walking is a good way to supplement our sports and activities. Our walks are also a chance to talk about things that matter to us.   Depending on the night, I walk with one or both of the girls. We get exercise in. We use our own energy, instead of driving to the…