AVAILABLE EXPANSION

The vertical distance from the sand surface to the underside of a trough in a sand filter. This distance is also called Freeboard.

AVERAGE DISCHARGE

As used by the U.S. Geological Survey, the arithmetic average of all complete water years of record of surface water discharge whether consecutive or not. The term “average” generally is reserved for average of record and “mean” is used for averages of shorter periods, namely, daily, monthly, or annual mean discharges. See also Mean

AVERTED DISABILITY ADJUSTED LIFE YEAR

A measure of mortality and morbidity used to demonstrate project impact on SDG 3. The quantification and certification of ADALYs is undertaken via the use of a GS-Methodology.

AVOIDANCE COSTS

Actual or imputed costs for preventing environmental deterioration by alternative production and consumption processes, or by the reduction of or abstention from economic activities.

AVOIDANCE PROJECTS

One of the two main types of projects that produce carbon credits or offsets. Avoidance projects avoid the release of GHG Emissions into the atmosphere by reducing activities that tend to emit large numbers of GHG Emissions or by protecting natural resources.

AVOIDED EMISSION

Potential effect on greenhouse gas emission that occurs outside the boundaries of the organization but arising through the use of its products or services, outside Scope 1 emissions, Scope 2 emissions and Scope 3 emissions.

Avoided Planned Deforestation (APD)

Avoided Planned Deforestation (APD) refers to initiatives and projects designed to halt the clearance of forests that have legal permits for deforestation. The primary objective is to mitigate carbon emissions by preserving forest cover that would otherwise be lost. APD projects typically involve identifying areas slated for deforestation and implementing strategies to prevent it. This […]

AXIS OF DAM

The vertical plane which traces the centerline of the crest of a dam.

B CORP

B Corp is an advanced certification system that goes beyond product or service considerations. Instead, B Corp certification evaluates the overall social and environmental conduct of businesses (across industries) by considering their impact on workers, customers, communities, and the environment. The B Corp rating is based on past performance, not on future aspirations, which means […]