Environmental Working Group - Body Burden:: Reports results from the most comprehensive study ever conducted of multiple chemical contaminants in humans.

Environmental Working Group: Trouble Downstream: Upgrading Conservation Compliance:: Learn about the agricultural and environmental problems of the Mississippi River Basin watershed. This report from the Environmental Working Group highlights the successes and shortcomings of the conservation compliance policy and sheds light on the nationwide problem of agricultural soil erosion and nutrient pollution.

Hydropedology (IUSS Working Group):: International Union of Soil Science Working Group on Hydropedology. A multidisciplinary and multiscale approach of soil and water transfer.

BENHS Conservation Working Group:: Provides information on the conservation activities of the British Entomological and Natural History Society.

Connecticut Invasive Plant Working Group:: Information about non-native invasive and potentially invasive vascular plants in Connecticut, USA.

Working Group Socio-economics of Forest Use in the Tropics and Subtropics:: Scientific research projects on socio-economic and cultural aspects of forest use in tropical forests.

Intergovernmental Panel on Climate Change (IPCC) - Working Group 2 : Impacts, Adaptation, and Vulnerability:: Assesses the scientific, technical, environmental, economic and social aspects of climate change. Includes assessment report, publications and schedule of meetings.

Plant Conservation Alliance - Alien Plant Working Group:: is a web-based project of the PCA that provides information for the general public, land managers, researchers, and others on the serious threat and impacts of invasive alien (exotic, non-native) plants to the native flora, fauna, and natural ecosystems of the United States.

Intergovernmental Panel on Climate Change (IPCC) - Working Group 1 : The Scientific Basis of Climate Change:: Analyses a body of observations of all parts of the climate system; catalogues increasing concentrations of greenhouse gases; assesses the processes and feedbacks which govern the climate system.

Aspen Environmental Group:: An environmental consulting company based in Agoura Hills, California, USA whose services include air dispersion modeling and air quality impact assessments, air permitting, air toxics studies, and risk assessments.