Science & Technology

This page shows all of the pages at www.epa.gov that are tagged with Science & Technology.

  • GHGRP Petroleum and Natural Gas Systems: Other Industry Segments

    Overview and data highlights of 2023 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program for other industry segments besides onshore production.

  • GHGRP Petroleum and Natural Gas Systems

    Overview and data highlights of 2023 petroleum and natural gas systems emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Waste

    Overview and data highlights of 2023 waste sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Fluorinated Chemicals

    Overview and data highlights of 2023 fluorinated chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Non-Fluorinated Chemicals

    Overview and data highlights of 2023 non-fluorinated chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Chemicals

    Overview and data highlights of 2023 chemical manufacturing emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Electrical Equipment Production and Use

    Overview and data highlights of 2023 electrical equipment production and use sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Electronics Manufacturing

    Overview and data highlights of 2023 electronics manufacturing sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Minerals

    Overview and data highlights of 2023 minerals sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Miscellaneous Combustion

    Overview and data highlights of 2023 miscellaneous combustion source emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Refineries

    Overview and data highlights of 2023 refineries emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Underground Coal Mines

    Overview and data highlights of 2023 underground coal mines sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Pulp and Paper

    Overview and data highlights of 2023 pulp and paper sector emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • GHGRP Power Plants

    Overview and data highlights of 2023 power plant emissions of greenhouse gases in EPA's Greenhouse Gas Reporting Program.

  • Denitrifying Filters - Wastewater Management Fact Sheet

    This fact sheet provides a technical overview of the denitrifying filter technology.

  • Estimating Atmospheric Deposition with CMAQ

    Atmospheric deposition can be an important contribution to the total loading of nitrogen and sulfur to ecosystems. CMAQ model estimates can be fused with measured air concentration and wet deposition to reduce bias and develop grids and maps of total depo

  • Estimating Watershed Acidification using CMAQ

    The Variable Infiltration Capacity (VIC) model was linked to WRF-CMAQ to provide hydrological information needed by the Model of Acidification of Groundwater In Catchment (MAGIC) to study stream water chemistry response to air quality regulations.

  • Browse CMAQ Applications

    The CMAQ system has been used to address major environmental issues. Below are examples of how the CMAQ system provides information to help communities, states and countries determine the most effective strategies for reducing exposure to pollution.

  • Chesapeake Bay - CMAQ

    Atmospheric deposition is a significant contributor to the total nitrogen loading to Chesapeake Bay. The CMAQ modeling system provides important information on the amount of atmospheric deposition for use in Total Maximum Daily Load analyses for different

  • Incremental Evaluation of CMAQv5.2

    The impact on model predicted pollutant concentrations of the major changes in the CMAQv5.2 system compared to the last are tested one at a time. Evaluation results are summarized for ozone and PM2.5 based on simulations of January and July 2011.

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