Glossary topic · 17 terms

Nature.

Forests, wetlands, soils and oceans: the systems that store carbon and the ways that storage can fail.

Nature

Afforestation

Establishment of forest on land that has not recently been forested under the relevant definition.

Nature

Biodiversity

The variety of life, including diversity within species, between species and across ecosystems.

Nature

Blue carbon

Carbon stored in coastal and marine ecosystems, often referring to mangroves, tidal marshes and seagrasses.

Nature

Carbon sink

A process or reservoir that takes up more carbon than it releases over a stated period.

Nature

Carbon stock

The amount of carbon stored in a reservoir at a given time.

Nature

Deforestation

Conversion of forest to another land use.

Nature

Ecosystem

A community of living organisms interacting with one another and with their physical environment.

Nature

Ecosystem services

The contributions ecosystems make to human wellbeing.

Nature

Forest degradation

A decline in a forest's condition or capacity to provide ecological functions without complete conversion to another land use.

Nature

Nature-based solution

Action involving ecosystems that addresses societal challenges while supporting human wellbeing and biodiversity.

Nature

Ocean acidification

A decline in ocean pH, largely driven by absorption of atmospheric CO₂.

Nature

Peatland

An ecosystem with accumulated partly decomposed organic material forming peat.

Nature

Permafrost

Ground that remains at or below freezing for at least two consecutive years.

Nature

Reforestation

Re-establishment of forest on land previously forested.

Nature

Sequestration

The capture and storage of carbon in a reservoir.

Nature

Soil carbon

Carbon held in soil organic matter and inorganic forms.

Nature

Wetland

Land where water strongly influences soils and ecological conditions, permanently or seasonally.