Maine's 'Site Location of Development Act' requires environmental review for development projects that meet certain thresholds. One threshold triggers review when a building or structure exceeds how many square feet?

Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.

Official permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.

The power of government to take private property for public use, with the requirement to pay the owner just compensation.

A doctrine by which a person can gain legal title to another's land by openly, continuously, and adversely occupying it for a statutory period.