Enlarge / Solar power and habitat preservation are likely to conflict, but only in some areas. (credit: Zhi Hao )
Compared to fossil fuel plants, renewable energy facilities cover a lot of ground. That ground can be put to additional uses; many wind farms are also farms, and even solar plants can work well with agriculture . But these sorts of developments are definitely not compatible with conserving sensitive habitats for wildlife or plants. Even wind farms, which have a relatively small on-ground footprint, require access roads and regular servicing.
Early studies on the matter suggest this might become a serious problem, as they found that a number of renewable power facilities had been built on land that had been identified as a sensitive habitat. But new work from researchers at the University of Southampton indicates that the problem isn’t as severe as it seems. The actual footprint of existing wind and solar farms on sensitive habitats is small and should be able to be kept small in most countries.
Carbon-free footprints
To understand present problems, you must have an idea of what land has been developed and what needs to be conserved. The researchers used two different sources to identify the footprints associated with current renewable power facilities. For sensitive habitats, the team started with a database of all existing protected areas. It supplemented that with maps of the ranges of all land vertebrates listed as threatened on the ” Red List , ” as well as the particular World Wildlife Fund’s list regarding ecoregions. The protected areas were considered a starting point, and areas for potential expansion had been identified based on their ability to protect the most threatened species.
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