Richard Heinberg. "The Party's Over: Oil, War and the Fate of Industrial Societies". ISBN 0865714827. Interesting philosophical outlook on history of technological civilization and it's possible fate.
Elizabeth Royte. "Bottlemania: How Water Went on Sale And Why We Bought It". ISBN 1-59691-371-1. History and problems of bottled water with comprehensive review of issues with tap water and additional filters.
"Food, Inc. How Industrial Food Is Making Us Sicker, Fatter, and Poorer — And What You Can Do About It". ISBN 978-1-58648-694-5. Great insight into modern industrial food production system.