BBC: "Waste land or 'brownfield' sites are vital for wildlife"

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"Wasteland or 'brownfield' areas are vital but overlooked habitats for UK wildlife, according to the charity Butterfly Conservation. 

'... Richard Fox said that many of the sites were under threat from by redevelopment and 'bland landscaping schemes'.

'He explained to BBC Nature why these areas - of disturbed or even contaminated land - were such unique habitats."