We need to be very careful that so-called green solutions don't end up causing more problems than they solve. The arguments against seabed mining are the same arguments against offshore wind, with the addition of potentially significant impacts on seabirds. 

Taranaki's offshore wind farms brought a step closer with new hub | Stuff.co.nz
https://www.stuff.co.nz/taranaki-daily-news/news/300949780/taranakis-offshore-wind-farms-brought-a-step-closer-with-new-hub