Learn the Issues

This page shows all of the pages at www.epa.gov that are tagged with Learn the Issues.

  • Product Specification Review

    The America’s Water Infrastructure Act of 2018 requires that the EPA shall “consider for review and revise, if necessary, any WaterSense performance criteria adopted before January 1, 2012.”

  • Underground Injection Control Well Classes

    This webpage provides the basic definition of each UIC well class as well as the concept of endangerment. Links for individual well class are also provided.

  • EPA Map of Radon Zones and Supplemental Information

    Find local information related to radon, including your state radon program, with contact information, EPA Regional contacts and a state-specific map.

  • Public Participation Guide: Transvaal and Delogoa Bay Colliery - Witbank, Mpumalanga, South Africa

    This case study describes the efforts of two South African regulatory agencies to address environmental and public health and safety issues associated with a former coal mining site.

  • Public Participation Guide: Skorpion Zinc Project Case Study - Namibia

    This case study describes the efforts of an independent professional team working with South African and Namibian specialists to identify and address environmental and public health and safety concerns related to a zinc mine and refinery.

  • How does radon get into your home?

    Any home may have a radon problem. Radon is a radioactive gas. It comes from the natural decay of uranium that is found in nearly all soils. It typically moves up through the ground to the air above and into your home through cracks and other holes in the foundation…

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  • Radon Resources

    Media Resources, Publications, webinars, Hotlines, NRAM Resources, Media campaigns for TV, radio and print for radon including access to PSAs and other radon media campaigns.

  • What is the average level of radon found in homes in the U.S.?

    Based on a national residential radon survey completed in 1991, the average indoor radon level is about 1.3 picocuries per liter (pCi/L) (50 becquerels per cubic meter (Bq/m3)) in air in the United States. The average outdoor level is about 0.4 pCi/L (15 Bq/m3). Learn more about radon by visiting…

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  • Where does radon come from?

    Radon-222 is the decay product of radium-226. Radon-222 and its parent, radium-226, are part of the long decay chain for uranium-238. Since uranium is essentially ubiquitous (being or seeming to be everywhere at the same time) in the earth's crust, radium-226 and radon-222 are present in almost all rock and…

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  • Past Campaign Materials - Radon Media Resources

    Media campaigns for TV, radio and print for radon including access to PSAs. This includes Living Healthy & Green, Green Sox, Eddie's Story, Build Green, Link to Dr. Oz and other radon media campaigns.

  • Mold

    Learn about mold and how to control it in the indoor environment.There is no practical way to eliminate all mold and mold spores in the indoor environment; the way to control indoor mold growth is to control moisture.

  • Mold Information Slideshow

    This page contains links to mold-related emergency preparedness pages.

  • Resources to Plan and Prepare for Environmental Emergencies in Louisiana

    Links to emergency information resources in Louisiana.

  • Publications about Mold

    This page provides publication information about mold and moisture as well as other indoor air quality topics.

  • What are the main ways to control moisture in your home?

    Water in your home can come from many sources. Water can enter your home by leaking or by seeping through basement floors. Showers or even cooking can add moisture to the air in your home. The amount of moisture that the air in your home can hold depends on the…

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  • EPA in New Mexico

    Portal for news and information about EPA's efforts in New Mexico and NM environmental conditions.

  • Mold and Health

    Molds have the potential to cause health problems. Molds produce allergens (substances that can cause allergic reactions) and irritants. Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals.

  • A Brief Guide to Mold, Moisture and Your Home

    This guide provides information and guidance for homeowners and renters on how to clean up residential mold problems and how to prevent mold growth.

  • Mold Remediation in Schools and Commercial Buildings Guide: Chapter 1

    The content on this page is based on the guide by the same name. However, updates have been made to some resources and links. Here you can find information on mold prevention and remediation.

  • Homeowner's and Renter's Guide to Mold Cleanup after Disasters

    This document summarizes basic procedures for mold remediation after flooding and other disasters for homeowners and renters.

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