01404nam a2200229Ia 450000500170000000800410001724500570005810000220011570000220013726000330015930000290019230000110022102000220023265000270025405000150028154600120029650505420030852002890085033600090113933700150114833800110116320260803094007.0251212s2008    xx            000 0 und d1 aEssential environmental science /cEdward A. Keller.  aKeller, Edward A.  aBotkin, Daniel B.  aDanvers, MA :bWiley,c2008.  axxvi, 454 p.: bcol ill.  c28 cm.  a978-0-471-70411-9  aEnvironmental sciences  a333.7 K28e  aEnglish  aFundamental issues in environmental science -- Human population growth -- Biogeochemical cycles -- Ecosystems -- Biological diversity -- Restoration ecology -- Forests and wildlife -- Environmental health, pollution and toxicology -- Agriculture and environment -- Energy and environment -- Water and environment -- Oceans and environment -- Earth`s atmosphere and climate -- Air pollution and environment -- Minerals and environment -- Waste management -- Natural hazards -- Environmental economics -- Planning for a sustainable future.  aEssential Environmental Science provides a non-quantitative approach that is based on principles, critical thinking and the big questions that are driving the field today. It offers a condensed look at the field, covering topics in way that will help readers answer the "big questions  aText  aUnmediated  aVolume