If the global temp rises two degrees centigrade there would probably be major crop failures around the world. Yet the median expected rise is 3.6 degrees C and it may go up as much as 4.9 degrees C.
https://www.scientificamerican.com/article/earth-almost-certain-to-warm-by-2-degrees-celsius/
Conscientious objectors to global warming and fossil fuel use might want to sell their gas burning vehicle and take up electric bike riding. The Von Musk hypertube network for the U.S.A. also should be the new featured national infrastructure renewal project priority instead of more asphalt and gas burning 4 wheelers.
http://www.newsweek.com/hyperloop-unveils-11-potential-us-routes-580111
https://newrepublic.com/article/120578/global-warming-threshold-what-2-degrees-celsius-36-f-looks
Probably the nation will need bigger and faster 2nd gen hyper-tubes to eliminate fossil fuel cars and to build cargo only tubes as well.
Restoration of wildlife habitat so far as possible would be possible with the great reduction of surface transportation and highway networks.
Garrison Gibson: books and blog 