Coastal Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) response to eight weed control treatments was measured 12 years after planting at two Oregon sites. Treatments included four areas of weed control around individual trees (0.375, 1.49, 3.35, and 5.95 m2), no weed control (check), total vegetation control, control of herbaceous competition only, or control of woody competi...

In 1987, sustainable development was defined by an international commission chaired by Gro Harlem Brundtland as ‘‘development that meets the needs of the present without compromising the ability of future generations to meet their own needs’’ (1). It is the object of an intergovernmental process that led us from Stockholm in 1972 to Rio in 1992 and then to Johannesburg in 2002. A frequently use...

Objective In May 2012, thousands of protesters, descended on Chicago during the NATO Summit to voice their concern about social and economic inequality. Given the increased numbers of international and domestic visitors to the Windy City and the tension surrounding protesting during the summit, increased monitoring for health events within the city and Chicago metropolitan region was advised. T...