Coral Bleaching (4 of 5)
Coral bleaching is an effect of our seas heating up. As temperatures rise, corals expel the algae living inside them, leaving them completely white. Though this does not actually kill the corals, it weakens them and many of the corals never recover.
This build was my entry to LEGO IDEAS contest 'HELP DECORATE THE LEGO HOUSE!' and managed to secure one of the winning spots :) So come autumn it should be on exhibit in LEGO House, as long as it survives the transport there that is ;)