The energy performance behind every ENERGY STAR label is independently verified, whether on a product, a home, a building, or a manufacturing plant. By safeguarding the integrity of ENERGY STAR, EPA can support the thriving private market that has been built around its performance-based definitions of leadership in energy efficiency. Learn more about how EPA works to ensure that consumers and busi...

Voluntary environmental programs (VEPs) are institutions for inducing firms to produce environmental goods beyond legal requirements. A comparative perspective on VEPs shows how incentives to sponsor and participate in VEPs vary across countries in ways that reveal their potential and limitations. Our brief survey examines conditions under which VEPs emerge, attract participants, and improve parti...

AgSTAR promotes the use of biogas recovery systems to reduce methane emissions from livestock waste. Biogas recovery also helps achieve other social, environmental, agricultural and economic benefits. AgSTAR assists those who enable, purchase or implement anaerobic digesters by identifying project benefits, risks, options and opportunities. AgSTAR provides information and organizes events to creat...

Enforcing environmental laws is a central part of EPA's Strategic Plan to protect human health and the environment. EPA works to ensure compliance with environmental requirements. When warranted, EPA will take civil or criminal enforcement action against violators of environmental laws....

The Clean Air Act is the primary federal statute protecting the quality of the nation’s air and is generally implemented through regulations promulgated by the Environmental Protection Agency, as well as certain State, Tribal, and local agencies. EPA has authority to address some Clean Air Act violations through its own administrative proceedings, or it may refer violations to the Department of Ju...

In line with the objectives of the Fifth Montevideo Program for the Development and Periodic Review of Environmental Law (Montevideo Programme V or Programme), the Programme will deliver technical legal assistance for initiatives that: Support the development of adequate and effective environmental legislation and legal frameworks to address environmental issues; Strengthen the effective implement...

Our Targeted Expert Assistance service provides timely short-term assistance to help advance short-lived climate pollutant mitigation planning and implementation. CCAC-supported experts can provide guidance on a range of short-lived climate pollutant challenges, such as technological options, mitigation measures, funding opportunities, application of measurement tools, and policy development. Thes...

This course provides a basic knowledge of an emerging area – Indoor Air Quality (IAQ) in buildings. Learners will realize the importance of maintaining proper IAQ. Safe exposure levels, resulting health effects, measurement techniques, mitigate and control measures of these IAC are discussed....

This lecture discusses the evolution of the air pollution problem from the pre-industrial era to modern times....

This lecture briefly describes the earth's atmosphere, the concept of unpolluted air, scales of air pollution, types of pollutants, and the role of the atmosphere in the source-sink relationship....