salen metal complexes as catalysts for the synthesis of polycarbonates from cyclic ethers and carbon dioxide, by donald j. darensbourg.- material properties of poly(propylene carbonates), by gerrit. a. luinstra and endres borchardt.- poly(3-hydroxybutyrate) from carbon monoxide, by robert reichardt and bernhard rieger. - ecoflex® and ecovio®: biodegradable, performance-enabling plastics, by k. o. siegenthaler, a. künkel, g. skupin and m. yamamoto.- biodegradability of poly(vinyl acetate) and related polymers, by manfred amann and oliver minge.- recent developments in ring-opening polymerization of lactones, by p. lecomte and c. jérôme.- recent developments in metal-catalyzed ring-opening polymerization of lactides and glycolides: preparation of polylactides, polyglycolide, and poly(lactide-co-glycolide), by saikat dutta, wen-chou hung, bor-hunn huang and chu-chieh lin.- bionolle (polybutylenesuccinate), by yasushi ichikawa, tatsuya mizukoshi.- polyurethanes from renewable resources, by david a. babb.-