The Monitoring and Assessment Branch (MAB) is a collection of scientists, technicians and specialists who measure pollutants in the District's ambient air.
Services

For students in grades 5-12, teachers and their families.
Get information and applications for certification and licensing across several environmental issues, including air pollution, hazardous substances and water quality.
The District is continually working with industry and the public to develop new solutions to the pollution problem that balance concerns about cost and public health.
Making District homes environmentally healthy and friendly is a top priority for the District Department of the Environment. Our programs and services are designed to help District residents and homeowners save energy and money, protect the natural environment, and reduce or limit risks of...
DDOE can help you with your energy and utility bills. We have financial assistance, discounts and late bill forgiveness programs.
The District is taking proactive measures to reduce energy use in public and private buildings and help building owners better understand and manage energy usage in their buildings.
DDOE is devoted to educating the public about energy issues including conservation and efficiency!





