Global warming is already making a mark on Pennsylvania
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/climate-change-pennsylvania-impacts-and-solutions-keystone-state
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/union-concerned-scientists
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emission-targets
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us