Sustainable cities | Environmental science homework help

Select ONE of the following three options. Your responses can be based on lecture notes, readings, and/or use of additional resources. If you use additional resources, please cite your sources. Your response should be 250-300 words in total.

Option 1. Based the Report Climate Change and Cities (Links to an external site.)Links to an external site. identify the three most important issues to address by 2030, 2060, and 2100. 
http://uccrn.org/files/2015/01/ARC3-Frontmatter-Final.pdf

Option 2. Based on NYC Sustainable Design Guidelines and your own research please answer the following questions:

1. What are the three top environmental challenges identified by New York City?
2. How will these challenges be exacerbated by climate change?
3. Are these considerations applicable to South Florida? Why or why not? Support your response with specific examples.

Option 3. Review the City of Philadelphia’s Building Efficiency Mapping Tool  (Links to an external site.)Links to an external site.and discuss how benchmarking and other similar efforts can facilitate energy efficiency policy implementation.
http://visualization.phillybuildingbenchmarking.com/#/map