Editing Philadelphia (section)

=== Environmental policy ===
"Green Cities, Clean Water" is an environmental policy initiative based in Philadelphia that has shown promising results in mitigating the effects of climate change.<ref name=":7">{{Cite journal |last1=Shade |first1=Charlotte |last2=Kremer |first2=Peleg |last3=Rockwell |first3=Julia S. |last4=Henderson |first4=Keith G. |date=2020 |title=The effects of urban development and current green infrastructure policy on future climate change resilience |url=https://www.ecologyandsociety.org/vol25/iss4/art37/ |journal=Ecology and Society |language=en |volume=25 |issue=4 |pages=art37 |doi=10.5751/ES-12076-250437 |issn=1708-3087 |doi-access=free |access-date=May 21, 2021 |archive-date=May 9, 2021 |archive-url=https://web.archive.org/web/20210509051304/https://ecologyandsociety.org/vol25/iss4/art37/ |url-status=live }}</ref> The researchers on the policy have stated that despite such promising plans of [[green infrastructure]] building, "the city is forecasted to grow warmer, wetter, and more urbanized over the century, runoff and local temperatures will increase on average throughout the city".<ref name=":7" /> Even though landcover predictive models on the effects of the policy initiative have indicated that green infrastructure could be useful at decreasing the amount of runoff in the city over time, the city government would have to expand its current plans and "consider the cobenefit of [[climate change adaptation]] when planning new projects" in limiting the scope of city-wide temperature increase.<ref name=":7" />