It's not just the draughts. https://www.seaspiracy.org/facts "Species like thresher, bull and hammerhead sharks have lost up to 80-99% of their populations in the last two decades. Seabird populations have declined by 70% since the 1950's. Studies estimate that up to 40% of all marine life caught is thrown overboard as bycatch. Six out of seven species of sea turtles are either threatened or endangered due to fishing…
This is a classic Tragedy Of The Commons. Establish ownable fishing rights per ocean areas, and regular greed will solve this problem.
Privatization didn't help ... small owners rent their land to the big ag, wildlife is still being decimated, land degradation accelerated, and now there are new deserts in central Europe (last week there was a sand storm in Hungary and Slovakia).