Learn the Issues
-
SPECIATE
SPECIATE is the EPA’s repository of volatile organic gas and particulate matter (PM) speciation profiles of air pollution sources
-
Science and Technology Development at the National Vehicle and Fuel Emissions Laboratory (NVFEL)
NVFEL is a leading innovator in finding novel ways to reduce the environmental impact of vehicles, engines, and fuels, and holds over 90 U.S. patents on advanced technology developed at the lab.
-
Handling Contaminated Automotive Refrigerants
Provides information for technicians about how to handle unfamiliar or potentially contaminated motor vehicle air conditioner refrigerants.
-
Sims Metal Management
EPA issued a Clean Air Act 114(a) information request to Metal Management Midwest Inc. also known as Sims.
-
LMOP National Map
National Map of Landfill Gas Energy Projects and Candidate Landfills
-
CAA Permitting in West Virginia
Information on permitting in West Virginia and EPA's oversight.
-
Slide Deck: State Legislation on Ocean & Coastal Acidification Webinar
State Legislation on Ocean & Coastal Acidification Slide Deck
-
Additional Administrative Record Documents
Additional Administrative Record Documents
-
About the Greenhouse Gas Reduction Fund
Learn about the Greenhouse Gas Reduction Fund.
-
Upgrading to MARPLOT 5.x
MARPLOT 5.x versions include significant changes from both the previous 4.x versions and the 3.x versions. To ensure that your data is successfully transferred from your old MARPLOT, follow these instructions carefully.
-
Frequent Questions: Radiation Sources
View frequently asked questions and answers related to radiation sources by topic.
-
Emerging Issues
This page provides resources to understand the dynamic green power market. EPA’s Green Power Partnership program can offer some insight and analysis to help understand some of the policy and implementation issues associated with these new trends.
-
Water Quality Data Submissions for Registration Review
EPA's pesticide program uses water quality data in our periodic reevaluation of pesticides. We have guidance on what data to submit and how to submit it. Learn about this process.
-
Food: Material-Specific Data
This page describes the generation, recycling, composting, combustion with energy recovery, and landfilling of food materials, and explains how EPA classifies such material.
-
Pollution Prevention Grant: Environmental Justice in Communities
P2 EJ Facilities grants focus on achieving environmental justice through P2 centering on pollution prevention technical assistance to businesses.
-
Pollution Prevention Grant: Environmental Justice Through Safer and More Sustainable Products
P2 Product-Based grants focus on achieving environmental justice through P2, centering on achieving results through promotion of safer products and sustainable purchasing.
-
Rhode Island Uses Urban Forestry to Adapt to Climate Change and Improve Public Health
Case Study on increasing access to trees, nature, and shade, and reducing urban heat island.
-
Natural Gas and Petroleum Systems
The national greenhouse gas inventory is developed each year to track trends in U.S. emissions and removals. Find emissions by source, economic sector and greenhouse gas.
-
Green Infrastructure Design Strategies
Thoughtful and strategic designs help ensure successful green infrastructure performance and implementation.
-
Approved Air Quality Implementation Plans in Region 5
Read about the approved State Implementation Plans, Tribal Implementation Plans, as well as any Federal Implementation Plans for Region 5.