Science & Technology
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2011 Version 6.0 Platform
The 2011v6.0 emissions modeling platform is based on the 2011NEIv1 and was used for preliminary modeling for the Update to the Cross-State Air Pollution Rule.
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2011 Version 6.2 Platform
The 2011v6.2 emissions modeling platform is based on the 2011NEIv2 and was used for the final 2015 ozone NAAQS and the proposed Update to the Cross-State Air Pollution Rule.
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2011 Version 6.1 Platform
The 2011v6.1 emissions modeling platform is based on the 2011NEIv1 and was used for the 2015 ozone NAAQS proposal.
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2011 Version 6.3 Platform
The 2011v6.3 emissions modeling platform is based on the 2011NEIv2 and was used for the final 2015 ozone NAAQS and the proposed Update to the Cross-State Air Pollution Rule.
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2014 Version 7.1 Platform
The 2014v7.1 emissions modeling platform is based on the 2014NEIv2
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2015v7.1 (alpha) Platform
The 2015 alpha platform is based off the 2014 NEI version 2.
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Multi-Resolution Land Characteristics (MRLC) Consortium
The MultiResolution Land Characteristics (MRLC) Consortium is a bottom-up, E-Government initiative to provide digital land cover and related data for the nation.
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How to Build, Verify and Report Indoor AirPlus Labeled Homes
A list of information on how to Label and Report Indoor AirPlus Labeled Homes
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Carbon Pollution-Free Electricity at EPA
Using renewable energy reduces greenhouse gas (GHG) emissions and air pollution associated with energy production and helps diversify the nation’s energy supply.
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Federal Sustainability Requirements and Guidelines
This page contains a list of federal requirements and guidance related to the reduction of greenhouse gas emissions, water and waste at its facilities.
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2016v7.1 (alpha) Platform
The 2016 alpha platform is based off the 2014 NEI version 2.
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Basic Information about Coral Reefs
Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.
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Threats to Coral Reefs
Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.3
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.3, July 2015
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.3
Technical appendices for the Risk-Screening Environmental Indicators screening tool
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R Script: Compute Weighted-Average Tolerance Values
Links to downloadable scripts and example data to compute weighted averages.
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Exploratory Data Analysis
Intro to exploratory data analysis. Overview of variable distributions, scatter plots, correlation analysis, GIS datasets. Use of conditional probability to examine stressor levels and impairment. Exploring correlations among multiple stressors.
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Estimating Taxon-Environment Relationships: Central Tendencies
This page describes weighted average approach to estimating species optima in terms of central tendencies.