期刊名称：Urban Law Annual ; Journal of Urban and Contemporary Law
出版年度：1978
卷号：15
期号：1
页码：211-250
出版社：Washington University School of Law
摘要：Sunlight travels through space unobstructed for 93,000,000 miles. Only during the last few hundred feet before it touches earth is it impeded by obstructions other than clouds, which cause shading. Since access to sunlight is critical to every solar energy system, the legal problems that may result from the obstruction of sunlight are great.
