Global climate change and crop responses : uncertainties associated with the current methodologies / Sagar V. Krupa and J.V. Groth -- Effects of climate change on the behavior of woody perennials / Christopher J. Atkinson -- CO₂ enrichment of the atmosphere and the water economy of plants / James Heath and Terry A. Mansfield -- Plants responses to elevated CO₂ : a perspective from natural CO₂ springs / Maurizio Badiani ... [et al.] -- UV- effects on plants / Manfred Tevini -- Field studies on impacts of air pollution on agricultural crops / J.N.B. Bell and F.M. Marshall -- Air pollution and vegetation damage in South America : state of knowledge and perspectives / Andreas Klumpp, Marisa Domingos and María Luisa Pignata -- Effects of air pollution on plant diversity / Madhoolika Agrawal and S.B. Agrawal -- Effects of tropospheric ozone on woody plants / Katrien Bortier, Reinhart Ceulemans and Ludwig de Temmerman -- Extracellular antioxidants : a protective screen against ozone? / Tom Lyons ... [et al.] -- Early detection, mechanisms of tolerance, and amelioration of ozone stress in crop plants / Edward H. Lee -- Defense strategies against ozone in trees : the role of nutrition / Andrea Polle ... [et al.] -- Use of protective chemicals to assess the effects of ambient ozone on plants / William J. Manning -- Sources, atmospheric transport, and sinks of tropospheric nitrous and nitric acids / Ralf Zimmerling and Ulrich Dämmgen -- Effects of sulfur dioxide and acid deposition on Chinese crops / Cao Hongfa ... [et al.] -- The use of calibrated passive monitors to assess crop loss due to ozone in rural locations / Victor C. Runeckles and Patricia A. Bowen -- Wild plant and crop plant species for in situ microspore analysis of a polluted environment / G. Murín and K. Mièieta -- Phytomonitoring in industrial areas / Sharad B. Chaphekar -- Statistical baseline values for chemical elements in the lichen Hypogymnia physodes / James P. Bennett -- Monitoring air pollutant deposition in the Arctic with a lichen by means of microscopy and energy-dispersive x-ray microanalysis : a case study / Richard F.E. Crang -- Phytochelatins and metal tolerance / Rajesh K. Mehra and Rudra D. Tripathi.