Dutch sustainable technology innovators are at it again, this time with an aquatic drone with an appetite for trash floating at sea. RanMarine and the Port of Rotterdam Authority have teamed up and set loose the first wave of Waste Sharks, autonomous robots with an aim to keep our waterways clean. It’s not news that our oceans are increasingly polluted. From oil spills to islands made of garbage, to the acidification of the water due to excess levels of carbon...