The document discusses several cases of environmental pollution around the world, including: 1) Oil pollution in the Niger River Delta that has devastated agriculture and caused water pollution and air pollution from gas flaring. 2) A polluted neighborhood in Detroit where low-income families are exposed to industrial waste causing health issues. 3) A toxic sludge spill in Hungary that flooded villages and contaminated a river with heavy metals. 4) Copper mining in the Philippines that has polluted resources and negatively impacted community health and livelihoods. 5) Pesticide use in India linked to health problems and government resistance to banning it.