National Parks
National parks are protected natural areas that can only be used for human recreation and enjoyment, restricted from development or any form of environmental degradation.
National Parks Home to Complex Ecosystems
The reports shows the fragile and complex connections that make up natural ecosystems, ...
National Priorities List: EPA's list of the most serious uncontrolled or abandoned hazardous waste sites identified for possible long-term remedial action under Superfund.
National Response Team (NRT)
Representatives of 13 federal agencies that, as a team, coordinate federal responses to nationally significant incidents of pollution--an oil spill, a major chemical release, ...
National Emissions Standards for Hazardous Air Pollutants (NESHAPS)
Emissions standards set by EPA for an air pollutant not covered by NAAQS that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.
National Ambient Air Quality Standards (NAAQS)
Standards established by EPA that apply for outdoor air throughout the country. (See criteria pollutants, state implementation plans, emissions trading.)
Source: Terms of the Environment ...
(Temporary housing, as hereinafter defined, shall not be classified as a dwelling.) Industrialized housing and modular construction that conform to nationally accepted industry standards and are used or intended for use for living, sleeping, cooking, ...
National Recreation Areas - areas of federal land that have been set aside by Congress for recreational use by members of the public.
National Science Education Standards
The Interdependence of Organisms:
The atoms and molecules on the earth cycle among the living and nonliving components of the biosphere.
Human activities modify ecosystems.
National ambient air quality standards Federal standards for the minimum ambient air quality needed to protect public health and welfare.
Nitrogen oxides All oxides of nitrogen except nitrous oxide.
National Association for Plastic
Container Recovery
5024 Parkway Plaza Blvd., Suite 200
Charlotte, NC 28217
(704) 523-8543
Contact: Luke Schmidt, President ...
National Children's Study-The National Children's Study will examine the effects of environmental influences on the health and development of 100,000 children across the United States, following them from before birth until age 21.
National packaging covenant (NPC)
A self regulatory agreement between industries involved in the packaging chain and all spheres of government
Neighbourhood environment improvement plan (NEIP) ...
National Oceanic and Atmospheric Administration (NOAA) - A United States Government agency created in 1970 as part of the United States Department of Commerce to determine how our oceans and atmosphere should be developed, regulated, analyzed, ...
National Institute of Occupational Safety and Health (NIOSH) - NIOSH is an agency of the Health and Human Services Department.
National Priorities List for Uncontrolled Hazardous Waste Sites (National Priorities List or NPL)
EPA's list of the most serious uncontrolled or abandoned hazardous waste sites in the United States. The NPL is updated on a regular basis.
National Exposure Registry
A listing of persons exposed to hazardous substances. This listing is composed of chemical-specific subregistries. The primary purpose of the registry program is to create a large database of similarly exposed persons.
National Primary Drinking Water Regulations (NPDWRs)
Developed by the U.S. Environmental Protection Agency, these regulations are designed to keep drinking water clean and to protect the public from waterborne disease.
National Carbon Offset Standard (NCOS) = The National Carbon Offset Standard applies to the voluntary carbon market, which is complementary to, but operates outside of, the CPRS.
National Pollutant Discharge Elimination System (NPDES)
A system under the federal Clean Water Act that requires a permit for the discharge of pollutants to surface waters of the United States.
National Ambient Air Quality Standards (NAAQS): Standards established by the United States EPA that apply for outdoor air throughout the country. There are two types of NAAQS.
National Fire Protection Association (NFPA): An organization promoting fire science and improving the methods of fire protection and prevention, electrical safety, and other related safety issues.
National Environmental Policy Act (NEPA)
Passed by Congress in 1969, NEPA requires Federal agencies to consider the environment when making decisions regarding their programs.
National Pollutant Discharge. Elimination System permit is the regulatory agency document issued by either a federal or state agency which is designed to control all discharges of pollutants from point sources in U.S. waterways.
National Interim Primary Drinking Water Regulations.
Commonly referred to as NIPDWRs.
National Pollutant Discharge. Elimination System permit is ...
N National Reference Centre
Definition (english only)
National reference centres (NRCs) are not mentioned in the regulation but have been defined subsequently as a special set of main component elements.
US NATIONAL ASSESSMENT OF CLIMATE CHANGE IMPACTS
To gain a better understanding of what global warming will mean for the United States, visit the site of the US National Assessment of the Potential Consequences of Climate Variability and Change.
declinational inequality Same as diurnal inequality.
declinational reduction A processing of observed high and low waters or flood and ebb tidal currents to obtain quantities depending upon changes in the declination of the Moon; ...
Transnational corporation: A corporation that is not based in any one country but may maintain corporate offices in several countries.
International Organisation for Standardisation is a world wide federation of national standards bodies or ISO member bodies. Each member body can be represented on the technical committees, which prepare the standards.
National Phenology Network
Project Budburst
Observe migrating birds:
National Audubon Society
Cornell Lab of Ornithology ...
National Automobile Dealers Association
Green Glossary
Find common green terms here. If you'd like, you can add your own below.
National Priority List (NPL) - A list maintained by the U.S. Environmental Protection Agency (EPA) of certain inactive hazardous waste sites. The list is produced and updated periodically by the EPA. See "Superfund".
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)
Established by Section 402 of the Clean Water Act, this federally mandated system is used for regulating point source and stormwater discharges.
NET SITE DENSITY ...
National Secondary Drinking Water Regulations
The regulations define secondary maximum contaminant levels, the maximum concentrations of certain substances in drinking water that affect its aesthetic quality.
INTERNATIONAL UNION OF PURE AND APPLIED CHEMISTRY
CHEMISTRY AND HUMAN HEALTH DIVISION*
A
B ...
National Priorities List A list of high-priority contaminated sites targeted for remedial action by EPA.
NPDES: National Pollutant Discharge Elimination System. A federal permit authorized by the Clean Water Act, Title IV, which is required for discharge of pollutants to navigable waters of the United States, ...
NIOSH: National Institute for Occupational Safety and Health.
Nitrogen Oxides (NOX): Nitrogen compounds such as NO and NO2 produced by combustion. They help to from ozone and photochemical smog.
NO2: Nitrogen Dioxide ...
NIPDWR: National interim primary drinking water regulations.
Nitrification: A biological process, during which nitrifying bacteria convert toxic ammonia to less harmful nitrate.
According to the National Academy of Sciences, the Earth's surface temperature has risen by about one degree Fahrenheit in the past century, with accelerated warming during the past two decades.
National Pollutant Discharge Elimination System. A federal permit authorized by the Clean Water Act, Title IV, which is required for discharge of pollutants to navigable waters of the United States, ...
Primary Standards- National ambient air quality standards designed to protect human health with an adequate margin for safety.
ISO 14021: International standard providing guidance for declarations made by an organisation about the environmental aspects of its products or services (these "self-declared" environmental claims are sometimes called Type II Declarations).
Air Toxics Any air pollutant for which a National Ambient Air Quality Standard (NAAQS) does not exist that may reasonably be anticipated to cause serious or irreversible chronic or acute health effects in humans.
National Environmental Training Association (NETA). A professional organization devoted to serving the environmental trainer and promoting better operation of waterworks and pollution control facilities.
Ranier, Washington; Grinnell glacier in Glacier National Park, Montana; the Dinwoody glacier in the Wind River Mountains and the Teton glacier in Teton National Park, both in Wyoming; and many glaciers in the Canadian Rockies.
Valley walls were smoothed by the action of glaciers in Glacier National Park.
Volcanism and mountain formation are evidenced by the volcanic plug near the mountain top.
We're thankful for the excellent laws that were put in place in the 1970s that have been monumentally helpful in moving the US toward a clean environment, including the National Environmental Policy Act (NEPA), the Endangered Species Act, ...
EducaPoles: International Polar Foundation's educational website with loads of informative stuff for kids such as stories, videos, animations, quizzes and dossiers.
Flying off to a warmer climate? This is one of my favourites! ...
Kyoto Protocol: international agreement on global warming and emissions targets set at the United Nations Conference on Climate Change in Kyoto, Japan, in 1997.
Bubble: In the context of international climate change negotiations refers to the notion that the European Union (EU) as a whole would accept some aggregate limit on carbon reductions but that the limit would not have to be shared pro rata by all ...
ISO 14000 ISO stands for "International Standards Organisation". This is an international organisation that designs and writes codes of practice (called standards) to ensure that actions and processes are carried out in a correct and uniform manner.
The scientific opinion on climate change, as expressed by the UN Intergovernmental Panel on Climate Change (IPCC) and explicitly endorsed by the national science academies of the G8 nations, is that the average global temperature has risen 0.6 ± 0.
Leadership in Energy and Environmental Design (LEED): The LEED Green Building Rating System™ is the nationally accepted benchmark for the design, construction and operation of high performance green buildings.
Criteria Pollutants: The 1970 amendments to the Clean Air Act required EPA to set National Ambient Air Quality Standards for certain pollutants known to be hazardous to human health.
In developing countries, the amount of money made (national income) is less than the amount of money needed to pay for schools, hospitals and other services (domestic savings).
The first third-party grading service, the International Numismatic Society Authentication Bureau, began grading coins in December 1976, several months after it began authenticating coins.
Sick Building Syndrome - According to the Environmental Protection Agency and National Institute of Occupational Safety and Health, ...
The glossary of environmental terms provided below is a selection of concepts from the National Technology Transfer Centre (NTTC), and 'Looking at Earth from Space', a publication of NASA.
 See also: Environment, Environmental, Waste, Reduce, Water
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