城市熱島challenges and achievements in the Climate Adaptation of Cities and in the Climate Proof Cities program . Building and environment, 83, 1–10. Rosenfield, Arthur
偉大社會 Youth Corps),成立的目的在于给贫困的城市青年提供工作经验并且鼓励他们继续学业;“文明城市”(the Model Cities Program (英语:Model Cities Program ))项目,目的在于促进城市再发展;“向上跃进”(Upward Bound(英语:Upward Bound))
城市蔓延1080/01944369708975728. Gordon, Peter; Richardson, Harry. Are Compact Cities a Desirable Planning Goal?. Journal of the American Planning Association
酸雨Act of 1980)。該法案根據國家酸性降水評估計劃 (National Acidic Precipitation Assessment Program ,NAPAP) 建立為期18年的評估和研究計劃。NAPAP把監測點網絡擴大以確定降水的實際酸度,判別長期趨勢,並建立檢測乾沉降網絡。NAPAP
戴克斯特拉算法Dijkstra devised a program to solve a problem interesting to a nontechnical audience: Given a network of roads connecting cities , what is the shortest