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Radiation in physics is a process of emission of energy in the form of waves or particles. Various types of radiation may be distinguished, depending on the properties of the emitted energy/matter, the type of the emission source, properties and purposes of the emission, etc.

Radiation by type of emission


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Air Quality :: Weather
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NPR Topics: Politics

Bill Failed To Boost Confidence In Fannie, Freddie
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Jeffrey Birnbaum, a managing editor at The Washington Times talks about how Fannie Mae and Freddie Mac got to this point.
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A day in the life of lobbying at the Republican National Convention: a party hosted by lobbyists, a congressman's dinner to "discuss business interests," and the reasons why all of this is legal — and creatively effective.

 
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Office of Air and Radiation - Deals with issues that affect the quality of our air. OAR develops national programs, technical policies, and regulations for air pollution control. Areas of concern to OAR include: indoor and outdoor air quality, stationary and mobile sources of air pollution, radon, radiation protection, acid rain, stratospheric ozone depletion, and pollution prevention.
Meta Description: [ Air pollution, clean air, and air quality information is provided by the U.S. EPA's Office of Air and Radiation (OAR). OAR develops national programs, technical policies, and regulations for controlling air pollution and radiation exposure. OAR is concerned with pollution prevention, indo... ]

AirData - EPA's AirData website provides access to annual summaries of ambient air monitoring data and air pollutant emissions estimates.
Meta Description: [ EPA's AirData website provides access to annual summaries of ambient air monitoring data and air pollutant emissions estimates. Reports and maps give air pollutant concentrations at individual monitoring sites and air pollutant emissions from individual sources, plus county aggregate emissions. ]

AIRLinks - U.S. EPA - Quick access to what's new this week,breaking news, and hot topic air radiation information. Gateway to Air Pollution Information.

Asthma and Indoor Environments - Information about common indoor asthma triggers and how to avoid them. Get the latest news from the Environmental Protection Agency on how to help you or your child's asthma.
Meta Description: [ Information about common indoor asthma triggers and how to avoid them. Get the latest news from the Environmental Protection Agency on how to help you or your child's asthma by reducing the level of asthma triggers in the home, work, or school. Common indoor asthma triggers include secondhand sm... ]

Clean Air Act Advisory Committee - Senior-level policy committee established in 1990 to advise the U.S. EPA on issues related to implementing the Clean Air Act Amendments of 1990.

Clean Air Interstate Rule - Information on CAIR including regulatory and emission information.
Meta Description: [ The Clean Air Interstate Proposed Rule would result in the deepest cuts in sulfur dioxide (SO2) and nitrogen oxides (NOx) emissions in more than a decade ]

EPA Acid Rain Program - Working to significantly reduce electric utilities' emissions of the pollutants responsible for acid deposition. Includes a system of tradable SO2 emissions allowances: a landmark use of market incentives in environmental protection.

EPA Office of Transportation and Air Quality - Air pollution from motor vehicles, fuels, and nonroad equipment. Formerly Office of Mobile Sources.

EPA Radiation Protection Division Home Page - Provides detailed information to the various EPA programs associated with radiation protection activities.

EPA's Climate Protection Division - Reduces greenhouse gases through energy-efficiency and cost-effective partnerships with industries in all sectors of our economy where emissions reductions can be achieved.
Meta Description: [ The Division works with businesses, organizations, governments, and consumers to reduce emissions of the greenhouse gases that contribute to global climate change by promoting greater use of energy efficient and other cost-effective technologies. We also work to improve understanding of the more ... ]

EPA's Transportation Air Quality Center - Regulatory information, access to transportation and mobile source incentive-based program information and tools, technical assistance, and other information on preventing/reducing air pollution from transportation.

Indoor Air - Secondhand Smoke - Information on secondhand smoke.
Meta Description: [ Secondhand smoke affects everyone, but children are especially vulnerable because they are still growing and developing. EPA has created a new national Smoke-Free Home Pledge Initiative to motivate parents to protect their children. ]

Indoor Air Quality - The Indoor Environments Division (IED) coordinates research and develops and implements policies regarding the impact of indoor air pollutants on the general public.
Meta Description: [ Most people are aware that outdoor air pollution can damage their health, but may not know that indoor air pollution can also have significant effects. Over the past several decades, our exposure to indoor air pollution is believed to have increased due to a variety of factors, including the... ]

Integrated Environmental Strategies (IES) Program - Engages developing countries to build support for integrated planning to both address local environmental concerns and, secondarily, reduce associated global greenhouse gas emissions.
Meta Description: [ IES engages developing countries to address local air quality concerns and reduce associated greenhouse gas emissions. ]

MTBE Blue Ribbon Panel - Blue Ribbon Panel for reviewing the use of MTBE and other oxygenates in gasoline.
Meta Description: [ Information on MTBE (U.S. EPA Office of Transportation and Air Quality) ]

National Air and Radiation Environmental Laboratory - A comprehensive environmental laboratory applying advanced methods for measuring environmental radioactivity.
Meta Description: [ United States Environmental Protection Agency's National Air and Radiation Environmental Laboratory ]

National Vehicle and Fuel Emissions Laboratory - Federal Government's principal program to control air pollution from motor vehicles. Primary responsibilities include developing programs to reduce mobile source related air pollution; evaluating emission control technology; testing vehicles, engines, and fuels; and determining compliance with Federal emissions and fuel economy standards.
Meta Description: [ EPA's National Vehicle and Fuel Emissions Laboratory is part of the Office of Transportation and Air Quality which is responsible for carrying out laws to control air pollution from motor vehicles, engines, and their fuels. The laboratory's primary responsibilities include: evaluating emission co... ]

Ozone Depletion, Global Programs Division - Information about the science of ozone depletion, regulations in the US designed to protect the ozone layer, and information for the general public.
Meta Description: [ Information about ozone depletion, US regulations about CFCs and substitutes, ozone science, international policy, and sun safety ]

SunWise School Program - Helps educators raise sun safety awareness for grades K-8.

U.S. EPA Energy Star Program - Information on manufacturers and retailers for energy-efficient electronics, lighting, transformers, appliances, office equipment, and heating/cooling systems.

Utility Mercury Reductions Rule - Information on the Mercury Rule including information on the benefits, regulatory actions, and technical information.
Meta Description: [ Mercury is a naturally occurring element that is present throughout the environment. Human activity can release some of that mercury into the air, water and soil. In the U.S., coal-fired power plants are the biggest source of mercury emissions to the air. The EPA is working to reduce the amou... ]

Vehicle Emissions Guide - Ranks vehicles according to the EPA emission standards that the vehicles have been designed to meet throughout their lifetime.
Meta Description: [ The U.S. Environmental Protection Agency's Green Vehicle Guide provides vehicle ratings based on emissions and fuel economy ]

 

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