More habitable for whom? The point is that we do not need this land. There is plenty of land all around the United States that is "habitable". And given the tr

More habitable for whom? The point is that we do not need this land. There is plenty of land all around the United States that is "habitable". And given the trend of birth rates and urbanization there is virtually no reason to go destroying fragile and unique ecosystems just so people can satisfy some compulsion for a manifest destiny of occupying every available square foot of this planet.