Retirement

Retirement: When a uniquely serialized carbon credit is removed from circulation in the market and can no longer be transferred or sold. This occurs once the credit has been sold to its end user, but this may or may not happen immediately after the end user takes ownership of the credit. By retiring the credit, […]

RETROSPECTIVE ANALYSIS

Review and analysis of existing data in order to address NAWQA objectives, to the extent possible, and to aid in the design of NAWQA studies.

RETURN FLOW

Part of a diverted flow that is not consumptively used and returns to its original source or another body of water.

RETURN SEEPAGE

Water that percolates from canals and irrigated areas to underlying strata, raising the groundwater level, and eventually returning to natural channels.

REUSE

Water that is discharged by one use and placed to another before leaving the physical control of the water right holder.

REVEGETATION

A direct human-induced activity to increase carbon stocks of woody biomass on sites through the establishment of vegetation that covers a minimum area of 0.05 hectares and does not meet the definitions of afforestation and reforestation

REVENUE INSURANCE

An insurance program offered to farmers that pays indemnities based on revenue shortfalls. These programs are subsidized and reinsured by the USDA’s Risk Management Agency.

REVERSAL

Some types of offset projects, however, cause GHG reductions by removing CO2 from the atmosphere and storing it in a reservoir (e.g., in trees or other organic materials, or in geologic formations). In these cases, there is a risk that CO2 may be re-emitted to the atmosphere, leading to a “reversal” of GHG reductions. A […]

REVERSE

An intentional or unintentional event which results in a net reduction in Environmental and Sustainable Development Benefits generated by a Project than those supported by the Assets issued.