Ocean trash disposal... what can and cant go over the side?
As we traverse the oceans we try not to leave too much of an environmental impact from the waste we generate aboard. There are some types of waste we cannot keep on board for any length of time, black water being the most obvious, although we do have a limited holding capacity for when we are in port or areas where it is against the law to dispose of human waste direct to sea. Out on the deep ocean we have no qualms of disposing of our sewage straight to the sea. The same is true of our vegetable and food waste, which we dispose of over the side in the hope that it will degrade without any measurable impact on sea life. As a crew we are all agreed that all plastic waste should be kept aboard but what has split the crew straight down the middle is what to do with metal waste? One view is that as long as you ensure that the tin can is guaranteed to sink, and that the sea bed deep enough, then we should go ahead and throw them overboard. This half of the crew feel that the steel or alumin...
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