Built wetlands, also known as constructed, artificial, or treatment wetlands, are water treatment systems built with wetland soils and vegetation to mimic the ecological and biophysical processes that improve water quality in natural wetlands.

An invasive or nuisance pest is synonymous with a species that causes harm to humans or the environment. This summary focuses specifically on invasive and nuisance insects and pathogens.

Urban greening is a general term used to describe efforts to renature urban areas by installing various types of green infrastructure.

Strategies for urban stormwater and runoff management such as rain gardens, stormwater parks, permeable pavement, and bioswales are intended to reduce these issues by promoting water retention, infiltration, and evapotranspiration instead of runoff.