Moontanman Posted August 5, 2009 Report Posted August 5, 2009 Higher Carbon Dioxide May Give Pine Trees A Competitive EdgeScienceDaily (Aug. 4, 2009) — Pine trees grown for 12 years in air one-and-a-half times richer in carbon dioxide than today's levels produced twice as many seeds of at least as good a quality as those growing under normal conditions, a Duke University-led research team reported Aug. 3 at a national ecology conference. Higher Carbon Dioxide May Give Pine Trees A Competitive Edge Quote
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