Tuvalu, Kiribati, and the Marshall Islands Are Already Experiencing Disastrous

Tuvalu, Kiribati, and the Marshall Islands are already experiencing disastrous flooding related to global climate change. What has been the response of the people on these islands?

A) They have built polders patterned after those found in the Netherlands.
B) All three have instituted a policy of transmigration, encouraging citizens to move to the center of their island countries.
C) Scientists on these islands have worked together to build a highly advanced sea wall.
D) Several thousand islanders have left their homes and migrated to New Zealand.
E) They have done nothing.