Climate Alliance 18 June 2018 In the news, Topic: Sea level rise Scientists to America: Embrace climate action or lose your coastal cities | Think Progress Climate Alliance 18 June 2018 In the news, Topic: Sea level rise “The situation in 2070 — roughly 50 years away — is a calamity. Sea levels will have risen nearly half a meter (20 inches, or 1.6 feet) since 2000. Flooding of coastal cities will be costing the world more than $1 trillion a year.”