In 2005-2006, Carlbury still had 3.5 hectares of ancient woodland, classified as a Site of Nature Conservation Importance and a wildlife corridor.

It flows east from the village, and is classified as a Site of Special Scientific Interest (SSSI).

The pool is classified as a Site of Special Scientific Interest as the most oligotrophic (nutrient poor) body of water on the Shropshire - Cheshire plain.

The Birks is classified as a "Site of Special Scientific Interest" and contains many varieties of flora and fauna, some of which are protected.

This land is classified as a Site of Special Scientific Interest and a Special Area of Conservation.

The residence and museum complex was classified as a Major Site Protected at the National Level of China in 1986 by the State Council of China.

The planning permission was granted in 2009 after months of debate by councillors, due to the fact that Pencoedtre Wood is classified as a Site of Special Scientific Interest.

Pencoedtre Wood, a thick ancient woodland immediately to the northeast of the housing estate between Barry and Wenvoe, is classified as a Site of Special Scientific Interest.

It is classified by IGESPAR as a Site of Public Interest.

The wetlands south of the town, the Valli di Comacchio, are classified as a Site of Community Importance and a Special Protection Area in Italy.