Climate Alliance 20 June 2018 In the news, Topic: Sea level rise We just got a clear sign the trillion-dollar coastal property bubble could burst any time | Think Progress Climate Alliance 20 June 2018 In the news, Topic: Sea level rise Their analysis of home prices versus flood risk reveals that from 2007 to 2017, homes at “high” or “very high” risk of extreme flooding saw a 4.8 to 5.6 percent drop in price, while homes at the lowest risk saw an 8.4 to 9.6 percent rise.