A:
Advanced Vehicle Testing Activity - Benchmarks and validates the performance of light, medium, and heavy duty vehicles that feature one or more advanced technologies [U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE)]

C:
Clean Air Technology Center (CATC) - Provides public access to data and information on the use, effectiveness and cost of emerging and existing air pollution prevention and control technologies [U.S. Environmental Protection Agency (EPA), Technology Transfer Network]

D:
DOE Office of NEPA Policy and Compliance - Provides National Environmental Policy Act (NEPA) documents, guidance, status, schedules and related links including the Council on Environmental Quality (CEQ) NEPAnet [U.S. Department of Energy (DOE), Office of Environment, Safety, and Health (EH)]

E:
EPA WaterSense - Resources to help save water and protect the environment [U.S. Environmental Protection Agency (EPA)]

Earth Day: Selected Resources - Science Reference Guide - Finding guide from the Library of Congress, Science Reference Section [U.S. Library of Congress (LOC)]

Energy Star - Energy Star offers businesses and consumers energy efficient solutions [U.S. Department of Energy (DOE); U.S. Environmental Protection Agency (EPA)]

Engineering Research Center for Environmentally Benign Semiconductor Manufacturing - Leading a unique interdisciplinary collaboration to develop environmentally-friendly manufacturing processes and tools for the semiconductor industry [U.S. National Science Foundation (NSF), Engineering Research Centers (ERC)]

F:
Fuel Economy Web Site - Provides fuel economy data by vehicle, technology advances, gas prices, and other fuel economy information [U.S. Department of Energy (DOE); U.S. Environmental Protection Agency (EPA)]

N:
NOAA Marine Debris Program - The NOAA Marine Debris Program serves as a centralized marine debris capability within NOAA in order to coordinate, strengthen, and increase the visibility of marine debris issues and efforts within the agency, its partners, and the public. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

Natural Disasters: A Guide to Selected Resources - Science Reference Guide - A finding guide from the Library of Congress, Science Reference Services [U.S. Library of Congress (LOC)]

O:
Oil Spill Program - Information on preventing, preparing for, and responding to oil spills [U.S. Environmental Protection Agency (EPA)]

R:
Record Group 382: Records of the Federal Water Pollution Control Administration, 1948 - 1968 - National Archives' Archival Research Catalog description for Record Group 382: Records of the Federal Water Pollution Control Administration, 1948 - 1968 [U.S. National Archives and Records Administration (NARA)]

Recycling - Information on Recycling technology and opportunities [U.S. Environmental Protection Agency (EPA)]

S:
Southwestern Cotton Ginning Research Laboratory - To develop technologies that solve problems directly affecting, or being affected by, the cotton ginning industry to maximize the economic viability and competitiveness and minimize the environmental impact of the U.S. cotton production and processing system. [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

U:
U.S. Agency for International Development's Environment and Global Climate Change Programs - Descriptions of USAID's Environment and Global Climate Change programs on biodiversity, biotechnology, climate change, energy, forestry, land management, pollution prevention, and water programs. [U.S. Agency for International Development (USAID)]