fix articles 194749, ecological footprint
Flying Is One of the Worst Things You Can Do for the Environment (tags)
Flying Is One of the Worst Things You Can Do for the Environment -- So Why Do So Many Well-Intentioned Folks Do It?
BTL:The Ecological Footprint Offers a Tool to Measure Human Consumption of... (tags)
...Resources ~ Interview with Mathis Wackernagel, co-creator of the Ecological Footprint, conducted by Between the Lines' Melinda Tuhus