Science & Technology

Presidential Green Chemistry Challenge: 1999 Small Business Award

Presidential Green Chemistry Challenge 1999 award winner, Biofine, developed a process to convert waste cellulose in paper mill sludge, municipal solid waste, etc. into levulinic acid (LA), a building block for other chemicals.

EPA, State of Maryland Renew Commitment to Agriculture Through Memorandum of Understanding

U.S. Environmental Protection Agency (EPA) and the Maryland Department of Agriculture (MDA) signed a renewed Memorandum of Understanding (MOU) to formalize their partnership and expand collaborative activities related to agricultural practices

Release Date: April 8, 2026

Presidential Green Chemistry Challenge: 1997 Small Business Award

Presidential Green Chemistry Challenge 1997 award winner, Legacy Systems, developed the Coldstrip process, which uses only water and oxygen to remove photoresist from silicon semiconductors. It replaces corrosive acids.

Site Conditions and Feasibility

Describes how contaminated lands, landfills, and mine sites can be reused as renewable energy installations. Also supplies best practices, tools and resources for screening properties for renewable energy potential.

Design and Development

Describes how contaminated lands, landfills, and mine sites can be reused as renewable energy installations. Also supplies best practices, tools and resources for screening properties for renewable energy potential.

Cumulative Assessment of Risk from Pesticides

EPA protects human health and the environment by evaluating the risk associated with pesticides before allowing them to be used in the United States. Learn about the tools and processes used in risk assessment for pesticides.

Particle Pollution Exposure

Health Effects in the General Population

Assessing Human Health Risk from Pesticides

EPA protects human health and the environment by evaluating the risk associated with pesticides before allowing them to be used in the United States. Learn about the tools and processes used in risk assessment for pesticides.

Coastal Adaptation Toolkit

Learn more about climate change impacts and developing adaptation plans. Find links, reports, and resources related to vulnerability assessments, action plans, and climate impact reports.

RSEI Data Dictionary: Shapefiles (Grid geography)

A table showing attributes for RSEI Grid Shapefiles

Presidential Green Chemistry Challenge: 1996 Greener Reaction Conditions Award

Presidential Green Chemistry Challenge 1996 award winner, Dow Chemical Company, developed a process to manufacture polystyrene foam sheet packaging that uses carbon dioxide (CO2) as a blowing agent, eliminating CFC-12 and HCFC-22.

Presidential Green Chemistry Challenge: 1996 Academic Award

Presidential Green Chemistry Challenge 1996 award winner, Professor Mark Holtzapple, developed methods to convert waste biomass (e.g., sewage sludge, agricultural wastes), into animal feed, industrial chemicals, or fuels.

Presidential Green Chemistry Challenge: 2005 Greener Synthetic Pathways Award (Archer Daniels Midland Company/Novozymes)

Presidential Green Chemistry Challenge 2005 award winners, Archer Daniels Midland (ADM) and Novozymes, developed an enzymatic interesterification process to make edible fats and oils containing low trans fatty acids and oils.

Presidential Green Chemistry Challenge: 1998 Greener Reaction Conditions Award

Presidential Green Chemistry Challenge 1998 award winner, Argonne National Laboratory, developed an efficient, membrane-based process to synthesize lactate esters from sugars. These esters can replace toxic solvents.

Science Advisory Committee on Chemicals Ethics

A page describing ethics training requirements and a link to the training.

Inadvertent PCBs

Presidential Green Chemistry Challenge: 2010 Small Business Award

Presidential Green Chemistry Challenge 2010 award winner, LS9, engineered microorganisms to convert fermentable sugars selectively to alkanes, olefins, fatty alcohols, or fatty esters, each in a single-unit biorefinery.

Presidential Green Chemistry Challenge: 2010 Designing Greener Chemicals Award

Presidential Green Chemistry Challenge 2010 award winner, Clarke, developed Natular, a plaster matrix that encapsulates the pesticide spinosad, slowly releasing it into water and effectively controlling mosquito larvae.

Presidential Green Chemistry Challenge: 2009 Designing Greener Chemicals Award

Presidential Green Chemistry Challenge 2009 award winners, Procter & Gamble Co. (P&G) and Cook Composites and Polymers Co. (CCP), developed Chempol MPS resins and Sefose sucrose esters to enable high-performance low-VOC alkyd paints.

Presidential Green Chemistry Challenge: 2006 Small Business Award

Presidential Green Chemistry Challenge 2006 award winners, Arkon Consultants and NuPro Technologies, developed a safer processing system for flexographic printing that includes washout solvents and reclamation/recycling.