Environmental issues in New York City

Central Park is nearly twice as big as the world's second-smallest country, Monaco. Historically its reservoirs were important components of the city's water supply.

Environmental issues in New York City are affected by the city's size, density, abundant public transportation infrastructure, and location at the mouth of the Hudson River.

New York's population density has environmental pros and cons. It facilitates the highest mass transit use in the United States, but also concentrates pollution. Gasoline consumption in the city is at the rate the national average was in the 1920s,[1] and greenhouse gas emissions are a fraction of the national average, at 7.1 metric tons per person per year, below San Francisco, at 11.2 metric tons, and the national average, at 24.5 metric tons.[2] New York City accounts for only 1% of United States greenhouse gas emissions while housing 2.7% of its population.[2] In September 2012, New York was named the #1 "America's Dirtiest City," by a Travel+Leisure readership survey that rated the environmental quality of 35 prominent cities in the United States.

Population density in New York City

Environmental concerns in the city involve managing the city's extraordinary population density. Mass transit use is the highest in the nation and gasoline consumption in the city is at the rate the national average was in the 1920s.[1] New York City's dense population and low automobile dependence help make New York among the most energy efficient in the United States.[3] The city's greenhouse gas emission levels are relatively low when measured per capita, at 7.1 metric tons per person, below San Francisco, at 11.2 metric tons, and the national average, at 24.5.[2] New Yorkers are collectively responsible for one percent of the nation's total greenhouse gas emissions,[2] though comprise 2.7% of the nation's population. The average New Yorker consumes less than half the electricity used by a resident of San Francisco and nearly one-quarter the electricity consumed by a resident of Dallas.[4]

Concentrated pollution in New York City leads to high incidence of asthma and other respiratory conditions among the city's residents.[5] In recent years the city has focused on reducing its environmental impact. The city government is required to purchase only the most energy-efficient equipment for use in city offices and public housing.[6] New York has the largest clean air diesel-hybrid and compressed natural gas bus fleet in the country, and some of the first hybrid taxis.[7] The city is also a leader in the construction of energy-efficient green office buildings, including the Hearst Tower among others.[8]

New York City is supplied with drinking water by the protected Catskill Mountains watershed.[9] As a result of the watershed's integrity and undisturbed natural water filtration process, New York is one of only five major cities in the United States with drinking water pure enough not to require purification by water treatment plants.[10][11]

Lower Manhattan in 1660, when it was part of New Amsterdam (Nieuw Amsterdam).

Policy and influence

Recently, the city has focused on reducing its environmental impact. The city government is required to purchase only the most energy-efficient equipment for use in city offices and public housing.[12] New York has the largest clean-air diesel-hybrid and compressed natural gas bus fleet in the country, and some of the first hybrid taxis.[13] The city is also a leader in energy-efficient "green" office buildings, such as Hearst Tower and 7 World Trade Center.[8]

Environmental groups make large efforts to help shape legislation in New York because they see the strategy as an efficient way to influence national programs. New York City's economy is larger than Switzerland's, a size that means the city has potential to set new de facto standards. Manufacturers are also attuned to the latest trends and needs in the city because the market is simply too big to ignore.

Ex-mayor Michael Bloomberg is one of 248 mayors from 41 states to have signed the U.S. Mayors Climate Protection Agreement. Under the agreement, mayors "strive to meet or beat the Kyoto Protocol targets in their own communities". The city was a petitioner in the landmark Massachusetts v. Environmental Protection Agency Supreme Court case forcing the EPA to regulate greenhouse gases as pollutants.

Energy efficiency

Average annual residential electricity usage by city, 2000-2005. Measured in Kilowatt hours per customer.[14]

The city's unique density, encouraged by much of it being surrounded by water, facilitates the highest rate of mass transit use in the United States. New York is one of the most energy efficient cities in the United States as a result. Gasoline consumption in New York is at the rate the national average was in the 1920s.[15] The city's mass transit system, multifamily housing, mixed neighborhoods and the fact that greenfield land is no longer available to development, make building in New York very energy efficient. New York City has a larger population than all but eleven states, and consumes less energy per-capita than any.[16] The average New Yorker consumes nearly less than half of the electricity of someone who lives in Chicago and nearly one-quarter the electricity consumed by someone who lives in Dallas.[17]

Nevertheless, New York faces growing energy demands and limited space. The city has introduced a series of environmental policies since the 1990s to address these problems. Detailed measures include switching more than 11,000 traffic lights and "Don't Walk" signals in the city to new energy-efficient light-emitting diodes that use 90% less energy than conventional fixtures. The city will also replace 149,000 "cobra head" street lights with new energy efficient designs by 2008. Over 180,000 inefficient refrigerators in public housing projects have been replaced with new ones that use a quarter of the power of the old ones. By law, the city government can purchase only the most efficient cars, air-conditioners and copy machines.[18] The electricity used to power the Statue of Liberty, Ellis Island and 22 other federal buildings in New York City, an annual electricity demand of roughly 27 million kilowatt hours, is provided by wind power.[19]

New York City is home to several clean energy projects. Two attempts to provide electricity to Roosevelt Island by installing underwater turbines in the East River failed when the turbine blades were torn off by currents. An improved turbine design proved to be successful and on 23 January 2012 FERC issued a 10-year pilot commercial license to Verdant Power’s RITE Project – the first commercial license for tidal power in the United States. Under the license, Verdant Power expects to generate up to 1 megawatt after a staged installation of up to 30 turbines. Planning is also underway to construct windmills on a hill in the former Fresh Kills Landfill. The wind energy project would power 5,000 homes on Staten Island.


New York is distinguished from all other American cities by its use of public transportation. While nearly 90% of Americans drive to their jobs, public transit is overwhelmingly dominant for New Yorkers.[20] According to the 2000 U.S. Census, New York City is the only locality in the United States where more than half of all households do not own a car (the figure is even higher in Manhattan, over 75%; nationally, the rate is 8%).[20] About one in every three users of mass transit in the United States and two-thirds of the nation's rail riders live in New York and its suburbs, and New York City's public transit system accounts for nearly four times as many passenger miles as the Washington, D.C., and Los Angeles metro regions combined.[21] Only 6% of shopping trips by New Yorkers involve the use of a car.[22]

New York City's high rate of transit use saved 1.8 billion US gallons (6,800,000 m3) of oil in 2006 and $4.6 billion in gasoline costs. New York saves half of all the oil saved by transit nationwide. The reduction in oil consumption meant 11.8 million metric tons of carbon dioxide pollution was kept out of the air.[23] The city's extraordinary public transit use means that New Yorkers emit far fewer greenhouse gases on a per capita basis than the average American. New York City's greenhouse gas emissions are 7.1 metric tons per person compared with the national average of 24.5.[2] New Yorkers are collectively responsible for one percent of the nation's total greenhouse gas emissions[2] though comprising 2.7% of the nation's population.

Green building

For years New York City was slow to embrace green building guidelines used in cities like San Francisco to promote environmentally friendly construction. In the post-World War II construction boom, changes in zoning regulations and the widespread use of air conditioning led to the design of sealed glass and steel towers. Without natural sources of light and ventilation, such buildings required large amounts of fossil fuels to operate.

This phase of building style is rapidly changing in New York, which has become a leader in energy-efficient green office buildings like 7 World Trade Center, which recycles rainwater and uses it in toilets and for irrigation, and computer-controlled heating and lighting. The United States Green Building Council estimates 3,000 new green apartments in New York City have been built since 2001.

In 2000 the state of New York introduced a green building tax credit, the first one of its kind in the United States, that has allowed some developers of environmentally friendly buildings to write off as much as $6 million on their tax bill. The city's Department of Design and Construction developed a set of guidelines in 1999 that encourage environmentally sound building methods for municipal projects. The guidelines had led to approximately $700 million in green city construction projects by the end of 2005.[24] In 2005, New York City mandated that nonresidential public buildings costing $2 million or more be built to standards set by Leadership in Energy and Environmental Design (LEED), which grade buildings in areas like energy and water consumption, indoor air quality and use of renewable materials. The legislation also applies to private projects that receive $10 million or more in public funds or half of whose budgets come from public money.

Air pollution

Prior to the passage of the federal Clean Air Act of 1970 and other local and state regulations in the late 60s, New York City suffered severe smog, with several instances of major smog events like the 1966 New York City smog.[25]

High cancer risk from airborne chemicals

According to the most recent Environmental Protection Agency National-Scale Air Toxics Assessment study,[26] residents of New York County, NY (Manhattan), have the third highest cancer risk caused by airborne chemicals of all counties in the United States (including the District of Columbia, Puerto Rico, and the Virgin Islands), following only Tippah County, Mississippi (highest risk), and Boyd County, Kentucky (second highest risk). Bronx and Kings Counties rank 8th and 9th out of the 3223 counties and county-equivalents in the United States. Queens County ranks 13th nationwide.[27]

Particle pollution

The 2009 annual report of the American Lung Association ranks the New York City region as 22nd among the top 25 regions in the United States most affected by year-round particle pollution, and 17th of the top 25 most polluted cities.

Emissions management

New York has the largest hybrid bus fleet in the country, and some of the first hybrid taxis. A large percentage of the city-owned vehicle fleet, including the personal cars of top city officials, are required since 2005 to be fuel efficient hybrid vehicles like the Toyota Prius or Honda Accord gas-electric sedan that produce minimal particulates and carbon dioxide emissions. In 2005 the city's vehicle fleet had 6,000 alternative fuel and 70 electric vehicles. A biodiesel processing plant will soon open in Brooklyn that will process 2.5 million US gallons (9,500 m3) of biodiesel a year and distribute it to conventional gas stations in the city.[15]

The Department of Sanitation, which has 1,500 trucks of its 2,200-vehicle fleet on the streets each day, is working with truck manufacturers to introduce gas-electric hybrid garbage trucks. The Department switched to using low-sulfur fuel in 2001 and uses corn-based ethanol in 500 of its 1,500 light-duty trucks.[28]

New York City has more than 2,000 hybrid taxis as of mid 2009, more than any other city in North America[29][30] (although it is also the largest city in North America).

Air pollution is an ongoing political issue in neighborhoods that contain bus depots.

Water supply

Many of the city's environmental assets are related to geography and a long tradition of environmental stewardship in the mountain ranges north of the city. Because the watershed is in one of the largest protected wilderness areas in the United States, the natural water filtration process remains intact. As a result, New York is one of only five major cities in the United States with drinking water pure enough to require only chlorination to ensure its purity at the tap under normal conditions.[31][32]

However, all groundwater entering New York City's distribution system is treated with chlorine, fluoride, food-grade phosphoric acid, and, in some cases, sodium hydroxide. New York City uses chlorine to meet the New York State Sanitary Code and federal Safe Drinking Water Act disinfection requirements. Fluoride, at a concentration of one part per million, is added to help prevent tooth decay and has been added since 1966 in accordance with the New York City Health Code. Phosphoric acid is added to create a protective film on pipes that reduces the release of metals such as lead and copper from household plumbing. Additionally, a sequestering phosphate is applied at several wells to prevent the precipitation of naturally occurring minerals, mostly iron and manganese, in the distribution mains and customers' household piping. Air stripper facilities can be operated at several wells to remove volatile organic compounds (VOCs). The only well in operation in 2007 had an air stripper in operation.[33]

The Ashokan Reservoir is one of several providing drinking water for New York City.

The complex New York City water supply systemwith 19 reservoirs bringing mountain water from as far as 125 miles (201 km) away through a gravity-fed web of aqueducts consists of three different systems. The Croton system, the oldest and smallest section, sits in Westchester and Putnam Counties. The second oldest is the Catskill system. In the early years of the 20th century, the city and state designated thousands of acres the eastern Catskills to build two reservoirs that more than doubled the city's capacity. In the 1950s and 1960s, the city expanded again, tapping the east and west branches of the Delaware River and other tributaries to create the newest and largest of its three systems.

The Croton system is the source of some turbidity issues for the city's water. The turbidity problem stems largely from conditions that have been present in the Catskill system from the beginning. Engineering studies in 1903 recognized that the clay of the steeply sloped Eastern Catskills turned the clear waters of the Schoharie and Esopus Creeks muddy after storms.

Engineers decided to go ahead anyway, devising a two-reservoir system with built-in turbidity controls. The city has sought to restrict development throughout its watershed. One of its largest watershed protection programs is the Land Acquisition Program, under which the New York City Department of Environmental Protection has purchased or protected through conservation easement over 70,000 acres (280 km2) since 1997.[34]

In the 12 months that ended on June 30, 2006, daily consumption averaged 1.086 billion US gallons (4,110,000 m3) in the city, a decline of 5.2% since 2002 and the lowest total daily use since 1951, when the city had about 7.9 million people and New York was experiencing a severe drought. Daily consumption peaked at 1.512 billion US gallons (5,720,000 m3) in 1979; in the next year’s census, the city’s population was 7.1 million, its lowest since 1930. Despite having grown to a population of 8.2 million in 2006, the city is now using 28% less water than it did in 1979. The drop in consumption is mostly a result of city policy; water-saving plumbing fixtures and devices in renovations and new construction are required, the city has been more diligent in finding and fixing leaks, and since the late 1980s it has been metering residential customers’ water use. The city uses sonar and other equipment to more efficiently find and fix leaks in its millions of feet of water mains and has taken steps like installing sprinkler caps on fire hydrants during the summer, letting overheated kids cool off without torrents of gushing water.[35]

Garbage disposal

In September 2012, Travel+Leisure named New York City the #1 "America's Dirtiest City", from the results of a readership survey rating 35 "Favorite Cities" in the United States.

In 2001 Mayor Rudolph Giuliani closed the Fresh Kills Landfill on Staten Island. The City did not have a subsequent plan for garbage disposal. An interim system was put in place in which most of the city's garbage was trucked out of the city to land fills in other states. This generated an unacceptable amount of truck traffic in low-income neighborhoods, leading to exacerbated air pollution. In 2006 Mayor Michael Bloomberg signed legislation establishing a new solid waste management plan, which will use barges and trains to export 90% of the city’s 12,000 daily tons of residential trash. Under the previous scheme trucks and tractor-trailers were used for 84% of the trash. Passage of the new legislation was delayed by opponents in a Manhattan neighborhood who protested the use of a marine transfer station in the Hudson River Park. Environmentalists and social activists argued the plan promoted environmental justice because no one borough or neighborhood would bear a disproportionate burden under the proposal, and they therefore supported it.

Other issues

Much of the city's housing stock is old, and lead paint is an ongoing public health issue. Some parts of the city are also at risk if current global warming patterns continue and sea levels rise.

The city is home to several thriving non-native species of plants and animals. Populations of wild South American monk parakeets, also known as the Quaker parrot, live in Greenwood Cemetery, Marine Park, Bensonhurst, and Bay Ridge in Brooklyn, and in the East Bronx.

A 2014 paper estimated the rat population of New York City proper to be about 2 million, or one for every four people.[36]

Farmers' markets

In 1976 the Council on the Environment of New York City established the Greenmarket program, which provides regional small family farmers opportunities to sell their fruits, vegetables and other farm products at open-air markets in city public squares.

The Greenmarket program manages 45 markets in the five boroughs. More than 100 New York City restaurants source their ingredients from Greenmarket farmers each week; Greenmarket farmers also annually donate about 500,000 pounds of food to City Harvest and other hunger relief organizations each year.

The most famous location is the Union Square Greenmarket, held Monday, Wednesday, Friday, and Saturday between 8 a.m. and 6 p.m. year-round. 250,000 customers a week purchase 1,000 varieties of fruits and vegetables at the market.

164 farmers travel a median distance of 90 miles (140 km) to attend the markets, including 90 vegetable and orchard growers, 29 meat, dairy, poultry, wool and fish producers, 12 producers of honey, maple syrup, jam, and wine, 19 growers of plants and flowers, and 14 bakers.

In 2006 the City Council announced it would make farmers' markets the centerpiece of efforts to reduce hunger and increase awareness of nutrition in the city, especially in lower-income areas, and that 10 new farmers' markets would open serving low-income neighborhoods including public housing projects.

Greenpoint oil spill

Main article: Greenpoint oil spill

The Greenpoint neighborhood of Brooklyn was once home to many oil refineries for more than a century. In 1950, the predecessor of the ExxonMobil oil company was alleged to have spilled 17 million US gallons (64,000 m3) of oil into Newtown Creek in what is one of the worst oil spills in United States history.[37] Oil continues seeping into a city waterway decades after the leak was first noticed.

The oil business has largely moved elsewhere, but countless small and large spills went unnoticed for decades and eventually formed a subterranean blob of more than 50 acres (200,000 m2). Authorities have been aware of the problem since 1978. Exxon Mobil accepted responsibility for much of the damage in 1990 and has since pumped some 9 million US gallons (34,000 m3) out of the ground.

The slow pace of the cleanup, however, has increasingly angered Greenpoint residents and elected officials, who have launched a series of lawsuits against Exxon in 2005. In June 2006 the New York State Department of Environmental Conservation announced it would sue Exxon Mobil to hasten completion of the cleanup.

See also


  1. 1 2 Jervey, Ben (2006). The Big Green Apple: Your Guide to Eco-Friendly Living in New York City. Globe Pequot Press. ISBN 0-7627-3835-9.
  2. 1 2 3 4 5 6 New York City Office of Long-term Planning and Sustainability (April 2007). "Inventory of New York City Greenhouse Gas Emissions" (PDF). Retrieved 2007-04-11.
  3. Owen, David (October 18, 2004). "Green Manhattan". The New Yorker.
  4. "Global Warming and Greenhouse Gases". PlaNYC / The City of New York. 2006-12-06. Retrieved 2006-12-13.
  5. Coburn, Jason; Jeffrey Osleeb; Michael Porter (June 2006). "Urban Asthma and the Neighbourhood Environment in New York City". Health & Place. 12 (2): 167–179. doi:10.1016/j.healthplace.2004.11.002. PMID 16338632.
  6. DePalma, Anthony (December 11, 2005). "It Never Sleeps, but It's Learned to Douse the Lights". The New York Times. Retrieved 2006-07-19.
  7. "A Century of Buses in New York City". Metropolitan Transportation Authority. Archived from the original on 2016-07-14. Retrieved 2006-11-17.
  8. 1 2 Pogrebin, Robin (April 16, 2006). "7 World Trade Center and Hearst Building: New York's Test Cases for Environmentally Aware Office Towers". The New York Times. Retrieved 2006-07-19.
  9. "Although New york tap water is safe to drink the water quality is not all that impressive and although the city has made efforts to improve the water quality they will never achieve standards set by those cities in asia such as Singapore and hong kong Current Reservoir Levels". New York City Department of Environmental Protection. Retrieved 2007-06-04.
  10. Miele, Joel A., Sr (November 20, 1998). "Maintaining Water Quality that Satisfies Customers: New York City Watershed Agricultural Program". International Water Supply Symposium Tokyo 1998. New York City Department of Environmental Protection. Retrieved 2006-11-17.
  11. "New York City 2005 Drinking Water Supply and Quality Report" (PDF). New York City Department of Environmental Protection. 2005. Retrieved 2006-07-17.
  12. Depalma, Anthony (2005-12-11). "It Never Sleeps, but It's Learned to Douse the Lights". New York Times. Retrieved 2006-07-19.
  13. New York City Mayor's Office of Sustainability (2007). "New York City's Climate Change Challenges through 2030" (PDF). Retrieved 2007-02-28.
  14. 1 2 Jervey, Ben, "The Big Green Apple: Your Guide to Eco-Friendly Living in New York City", Metro New York.
  15. Owen, David, "Green Manhattan", The New Yorker, 18 October 2004
  16. "Global Warming and Greenhouse Gases". PlaNYC. 2006-12-06. Archived from the original on 2007-01-09. Retrieved 2006-12-13.
  17. "It Never Sleeps, but It's Learned to Douse the Lights", The New York Times, 11 December 2005.
  18. "Wind Power In NYC", Gotham Gazette, 8 March 2006.
  19. 1 2 Bureau of Transportation Statistics, U.S. Department of Transportation
  20. The Metropolitan Transportation Authority. Network; and David Owens.
  21. "Necessity or Choice? Why People Drive in Manhattan." Transportation Alternatives Feb 2006.
  22. "A Better Way to Go: Meeting America's 21st Century Transportation Challenges with Modern Public Transit" (PDF). U.S. Public Interest Research Group. March 2008. Retrieved 2008-04-23.
  23. "Green Buildings." Gotham Gazette 5 January 2004
  24. Johnson, Kirk (September 29, 2002). "You Should Have Seen the Air in '53; After Sept. 11, Considering History's Lessons on Pollution". The New York Times. Archived from the original on May 27, 2015.
  25. "US Environmental Protection Agency". National-Scale Air Toxics Assessment 2002 County-Level Modeled Ambient Concentrations, Exposures, and Risks. 2002. Retrieved 27 August 2011. The risk estimates are limited to consideration of inhalation exposure. People receive substantial additional exposures to air pollutants such as mercury and PCBs that bioaccumulate in food. In addition, this assessment does not include emissions from indoor sources of air toxics. Studies have shown that many people receive substantial additional inhalation exposure to common indoor air pollutants such as formaldehyde and perchloroethylene.
  26. "2002 NATA US Cancer Risks County".
  27. "Eco-rig a Sanitation Sensation." The New York Post 3 April 2006.
  28. "Ford's US Hybrid Sales Up 73% for First 9 Months of 2009; Total US Hybrid Sales Down 14% for Same Period". Green Car Congress. 2009-10-14. Retrieved 2009-10-17.
  29. Fred Gober. "Hybrid taxis slowly catching on in the west". Infotaxi. Retrieved 2009-10-17.
  30. "Maintaining Water Quality that Satisfies Customers: New York City Watershed Agricultural Program", New York City Department of Environmental Protection, 20 November 1998.
  31. "2010 Drinking Water Supply and Quality Report", "City of New York Department of Environmental Protection" 2011.
  32. New York City Groundwater System for 2007 - Treatment
  33. "New York’s Water Supply May Need Filtering." 20 Jul 2006 The New York Times
  34. "More Masses Huddling, but They Use Less Water", New York Times, 3 October 2006.
  35. Jonathan Auerbach (3 October 2014). "Does New York City really have as many rats as people?". Significance. 11 (4): 22–27. doi:10.1111/j.1740-9713.2014.00764.x.
  36. "The Ooze". New York Magazine. Retrieved 2015-04-19.

External links

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