Learn the Issues
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Microirrigation
Microirrigation is a low-pressure, low-flow-rate form of irrigation that can reduce the likelihood of overwatering a landscape. Microirrigation systems use 20 to 50 percent less water than conventional sprinkler systems.
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Collaboration with Mexico to Reduce Emissions from Ships
Working with EPA, the Mexican government has been actively exploring international actions to reduce air pollution from ships near local communities.
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Public Participation Guide: Tools to Generate and Obtain Public Input
Tools to generate public input are techniques that you can use to obtain public input to the decision process.
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Transboundary Air Pollution
Because air pollution does not stop at national borders, many countries are both sources and receptors for transboundary air pollution.
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Overview of the Award Document and Terms and Conditions
The Assistance Agreement Award Document is a legally binding agreement between EPA and the recipient organization. There are three types of terms and conditions: Administrative, Programmatic, and High Risk.
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Cleaning Up Electronic Waste (E-Waste)
While accurate data on the amount of e-waste being exported from the U.S. are not available, the United States government is concerned that these exports are being mismanaged abroad, causing serious public health and environmental hazards.
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EPA Funding Instruments and Authorities
Key historical information to enhance your knowledge courtesy of the EPA Grants desktop resource tool at the Office of Grants and Debarment. This useful tool will provided information about userful key terms.
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EPA Collaboration with Vietnam
Vietnam, one of Asia’s emerging economies, is an important environmental partner for EPA in Asia. EPA’s current cooperation with Vietnam primarily focuses on dioxin remediation and technical assistance to reduce methane emissions.
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Export Promotion at EPA
EPA is utilizing our expertise to protect the environment and improve our economy by promoting the export of U.S. environmental solutions.
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EPA Region 10 enforcement cases January-March 2025
Enforcement actions the EPA’s Region 10 office completed in the first quarter of calendar year 2025.
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Public Participation Guide: Study Circles
Study Circles are voluntary groups of 8-15 people who meet three to six times to explore a subject or issue.
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Program Materials and Fact Sheets
If you're interested in finding out more about the WaterSense program or water efficiency in general, this is the place for you.
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CPRG Tools and Technical Assistance - Benefits Analysis
To meet expectations under Justice40 and to be consistent with requirements in the authorizing statute for the CPRG program, all plans must eventually include a planned assessment of co-pollutant impacts from proposed GHG mitigation strategies,
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EPA Collaboration with Chile
As a global partner in trade and the environment, Chile is a priority country for U.S. environmental cooperation.
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NACEPT Assumable Waters Subcommittee Materials Regarding Tribal or State Permitting under Clean Water Act Section 404
Overview Assumable Waters Subcommittee and final report.
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About Prevention of Significant Deterioration Permits in EPA's Pacific Southwest (Region 9)
Prevention of Significant Deterioration (PSD) Permits in EPA's Pacific Southwest (Region 9).
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Federal Land Manager Notification of New Source Review Permit Applications in EPA's Pacific Southwest (Region 9)
In EPA's Pacific Southwest (Region 9), the Class 1 federal lands areas are designated as depicted in the map on this page. For more information, please visit the Region 9 Federal Class 1 Areas page.
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Grant Regulations and Forms for New Grantees
Office of Grants and Debarment Grant Regulations and Forms for New Grantees. This is pertinent information needed throughout the life of your agreement.
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Flexibilities under the Clean Water Act
Flexibilities under the Clean Water Act related to COVID19.
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Pre-FY 2018 NPDES Oversight Initiatives
The Permitting for Environmental Results (PER) initiative was a multi-year effort by EPA and the states to improve the overall integrity and performance of the NPDES program.