ecological (environmental) safety
51Agriculture — General …
52Organic food — Organic vegetables at a farmers market in Argentina Organic foods are foods that are produced using methods that do not involve modern synthetic inputs such as synthetic pesticides and chemical fertilizers, do not contain genetically modified… …
53Organic farming — Agriculture General …
54Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
55Urban planning — Housing and Urban Development redirects here. For the Cabinet department of the United States government, see United States Department of Housing and Urban Development. Urban planning designs settlements, from the smallest towns to the largest… …
56Wildfire — This article is about uncontrolled outdoor fire. For the New York rock band, see Forest Fire (band). For other uses, see Wildfire (disambiguation). Crown Fire redirects here. For the 2010 wildfire in Southern California, see 2010 California… …
57Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
58Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution …
59Montara oil spill — Satellite image of the oil slick in the Timor Sea, September 2009. Location Timor Sea, off the northern coast of Western Australia …
60Ecology — For other uses, see Ecology (disambiguation). Ecology …
