Learn the Issues

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

  • Upper Animas Mining District: Draft Analytical Results Report

    Comprehensive Analytical Results Report presents the results of the sampling program which was conducted intermittently from August 11 through September 16, 1997.

  • Upper Animas Mining District: 2014 Sampling Activities Report

    2014 sampling activities at the Upper Animas Mining District in Silverton, San Juan County, Colorado

  • Upper Animas Mining District: Draft Baseline Ecological Risk Assessment

    Draft Baseline Ecological Risk Assessment for the Upper Animas Mining District in San Juan County, Colorado; April 2015.

  • Energy Attribute Certificates (EACs)

    This page outlines the major differences between Renewable Energy Certificates (REC) and Project Offsets and what types of claims each instrument allows the organization to make in regards to environmental emissions claims.

  • Energy Attribute Tracking Systems

    Renewable energy generation ownership can be accounted through tracking systems. Tracking systems are highly automated, contain specific information about each MWh, and are accessible over the internet to market participants.

  • Market Analysis

    The following timeline provides an overview of different milestones that contributed to the emergence of the U.S. voluntary green power market.

  • Utility Green Tariffs

    This page outlines Utility Green Tariffs which are optional programs in regulated electricity markets offered by for eligible customers to buy bundled renewable electricity from a specific project through a special utility tariff rate.

  • Green Power Community Usage Requirement

    Green Power Communities are a subset of the Green Power Partnership; municipalities or tribal governments where government, businesses, and residents collectively use enough green power to meet GPP requirements. Learn about GPC Usage Requirements.

  • Enabling Solar Across the Supply Chain: REI’s Initiative to Expand Access and Drive Local Impact

    Webinar announcement on US City & Corporate Clean Energy Procurement and Its Role in Achieving the Paris Agreement’s Goals

  • Delivered Electricity

    This page illustrates how standard default delivered grid mix is different that voluntary use.

  • Market Instruments

    This page outlines the major differences between Renewable Energy Certificates (REC) and Project Offsets and what types of claims each instrument allows the organization to make in regards to environmental emissions claims.

  • U.S. Renewable Electricity Market

    The US green energy market is broken up into two main groups: the mandatory markets including state Renewable Portfolio Standards (RPS) and voluntary markets, also referred to as green power markets.  This page delineates this two markets.

  • Solar Power Use Claims

    The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. EPA evaluates partnership metrics annually to determine progress toward programmatic goals.

  • Green Power Purchasing Steps

    This page provides a list of the major steps involved in buying green power

  • Guide to Purchasing Green Power

    The Guide to Purchasing Green Power provides current and potential buyers of green power with information about green power purchasing.

  • Build & Self Generate

    These pages outline the common project development pathway from a project's conception to its completion for most on-site renewable energy projects. .

  • International Green Power Markets

    This web site focuses on the US market but there are currently green power markets for retail customers in Asia, Europe, and the United States. Each of these regions uses market instruments to track and verify the green power available for the consumer.

  • Purchase Green Power

    These web pages provide information and issues to consider when purchasing green power.

  • Learn about the Green Power Market

    This page lays out how the us Grid operates, how US green power market is similar and different to opther country's green power markets

  • Green Power Procurement Considerations

    EPA lays out 14 issues to consider when identifying which green power supply option(s) best suit your organization.

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