What does the Tucker family do to eat more sustainably?

1) Buy predominantly local and organic produce
Pros of buying local food: http://www.cuesa.org/page/how-far-does-your-food-travel-get-your-plate

2) Compost veggie scraps, coffee grounds, etc and use compost in garden
How to compost at home: http://eartheasy.com/grow_compost.html