Pollution can take the form of chemical substances or energy, such as noise, heat or light.

Pollution and lack of vegetation, especially trees, can cause urban areas to suffer from poor environment, but no general statement about environmental quality can be made to apply to all rural and urban areas.

Much recent pollution can be traced to the Upper Blackstone Water Pollution Abatement District ( UBWPAD ), the wastewater treatment plant for Worcester, Massachusetts and surrounding communities, which discharges into the Blackstone.

Pollution can include sediment deposition and eutrophication from sewage, industrial byproducts and contaminants like PCBs and heavy metals ( for example, copper, zinc ), runoff of organophosphates from agricultural areas, anti-fouling chemicals used in harbors and marinas ( for example, TBT and creosote ) and land-based pathogens like fecal coliform bacteria.

Xenochrony can be heard as early on in Zappa's career as 1969: on The Mothers of Invention's Uncle Meat, a phrase from the guitar solo of " Nine Types of Industrial Pollution " appears later on at the end of " Sleeping in a Jar ".

Pollution from toxic chemicals such as DDT is not helping the already poor soil quality in many parts of the country.

Growing concerns, both environmental and economic, from cites and towns as well as sportsman and other local groups, and senators such as Maine's Edmund S. Muskie, led to passage of extensive legislation, notably the Clean Air Act of 1970 and the Water Pollution Control Act Amendments of 1972.

The Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution on Persistent Organic Pollutants is an agreement to provide for the control and reduction of emissions of persistent organic pollutants ( POPs ) in order to reduce their transboundary fluxes so as to protect human health and the environment from adverse effects.

Pollution started from the prehistoric times when man created the first fires.

Pollution became a popular issue after World War II, due to radioactive fallout from atomic warfare and testing.

The Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution Concerning the Control of Emissions of Volatile Organic Compounds or Their Transboundary Fluxes is an agreement to provide for the control and reduction of emissions of volatile organic compounds in order to reduce their transboundary fluxes so as to protect human health and the environment from adverse effects.

Water related conventions are United Nations Convention to Combat Desertification ( UNCCD ), International Convention for the Prevention of Pollution from Ships, United Nations Convention on the Law of the Sea and Ramsar Convention.

Pollution from farms and urban areas took a heavy toll on the river's environment, and heavy irrigation withdrawals sometimes resulted in massive fish kills.

" The United States Environmental Protection Agency report dated October 2002 and released in December 2002 titled " Exposure and Human Health Evaluation of Airborne Pollution from the World Trade Center Disaster " authored by the EPA Office of Research and Development in Washington states that dioxin levels recorded at a monitoring station on Park Row near City Hall Park in New York between October 12 and 29, 2001, averaged 5. 6 parts per trillion, or nearly six times the highest dioxin level ever recorded in the U. S. Dioxin levels in the rubble of the World Trade Centers were much higher with concentrations ranging from 10 to 170 parts per trillion.

* Post-Soviet Legacy: Aral Sea Pollution from the Dean Peter Krogh Foreign Affairs Digital Archives

: Pollution of coastal waters from waste disposal by ships ; soil erosion ; illegal solid waste disposal threatens contamination of aquifers

Pollution of Lake Victoria is mainly due to discharge of raw sewage into the lake, dumping of domestic and industrial waste, and fertiliser and chemicals from farms.

Pollution, eutrophication, habitat destruction caused by land reclamation, and intense overfishing have resulted in a collapse of stocks, and a decline of trawl catch per unit of effort ( CPUE ) from 138. 8kg / net. hr to 11. 2 kg / net. hr from 1959 to 1998.

Starting in 1999, the Ukrainian government has been collecting an ecological tax, officially known as Environmental Pollution Fee (), which is collected from all polluting entities, whether it's one-time or ongoing pollution and regardless of whether the polluting act was legal or illegal at the time.

* WHO-Europe reports: Health Aspects of Air Pollution ( 2002 ) ( PDF ) and " Answer to follow-up questions from CAFE ( 2003 ) ( PDF )

In 1982 he was among those grumbling about " spiritual pollution " ( an " Anti-Spiritual Pollution Campaign " was organised in late 1983 ), as the sense of freedom spread from economics into China's social cultural, and threatened China's political status quo.

In the United States, for example, the relevant implementation legislation is the Act to Prevent Pollution from Ships.

* International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978 relating thereto ( MARPOL 73 / 78

* Minamata disease-Chapter from Industrial Pollution in Japan by Dr Jun Ui

In Japan, a disease called Yokkaichi zensoku ( Yokkaichi Asthma ) derives its name from the city, and it is considered one of the Four Big Pollution Diseases of Japan.

* Francis Feates CB, Professor of Environmental Engineering at UMIST from 1991-95, Director of the HM Inspectorate of Pollution from 1989 – 91

A number of international treaties on the long range transport of atmospheric pollutants have been agreed for example, Sulphur Emissions Reduction Protocol under the Convention on Long-Range Transboundary Air Pollution.

Vanuatu is party to a number of international agreements, including agreements on Biodiversity, Climate Change, Desertification, Endangered Species, Law of the Sea, Marine Dumping, Ozone Layer Protection, and Ship Pollution.

Pollution of water due to a number of different pollutants has driven the NRCS to take action.

Pollution and Human Impacts are: the Arani and Kalangi rivers carrying runoff from agricultural fields in the drainage basin cause increase in pollution load from fertilizers and pesticides into the lake ; pollution from domestic sewage being released to the lake ; Petrochemical complex, power plant and a satellite port on Ennore creek have further aggravated the problem ; there is threat of flooding of 14 island – villages of the lake ; subsequent to the Tsunami in 2004, the number of fishing boats have increased resulting in the ` Catch Per Unit Effort ' of fish, prawns and crabs declined from 1000 tonnes to about 700 tonnes ; and this has increased the social and fishing rights conflicts between marine based fishermen and the lagoon fishermen.

* Pollution insurance usually takes the form of first-party coverage for contamination of insured property either by external or on-site sources.

* What Blue Skies Tell Us About Light Pollution ( an article introducing the Rayleigh Scatter Index which evaluates the potential for contribution to skyglow by different light sources )

Also in 2005 Siemens acquired Flender Holding GmbH ( Bocholt, Germany, gears / industrial drives ), Bewator AB ( building security systems ), Wheelabrator Air Pollution Control, Inc. ( Industrial and power station dust control systems ), AN Windenegrie GmbH.

Pollution has increased as woodlands are stripped and converted into filthy industrial districts.

Pollution from the city of Popayán, seven gold mines that also add industrial pollutants such as mercury, some 8 sand mills, plus a couple of mines of coal and bauxite.

Pollution of water supplies by sewage as well as dumping of industrial waste accounted in large measures for the public health records and staggering mortality rates of the period.

* Pollution Prevention and Control, the industrial permitting regime in the United Kingdom

Pollution and industrial activity in the area pose potential threats to wildlife.

Pollution by urban and industrial waste is a major problem as a large amount of wastewater is released into the lagoon daily.

* Pollution from motor vehicles, litter, sewage, illegal dumping, industrial, commercial and domestic activities

Researchers classify debris as either land or ocean-based ; in 1991, the United Nations Joint Group of Experts on the Scientific Aspects of Marine Pollution estimated that up to 80 % of the pollution was land-based.