Scientists have said that we are set to exceed the 1.5°C warming target set out in the Paris Agreement, and that to do so, we need to returned to 1.5°C by 2100, we would have to remove a huge amount of carbon dioxide from the atmosphere. Carbon capture from chimneys  or air using technology and tree planting has garnered a lot of attention and funding. But last week, several hundred scientists from around the world argued that more attention should be paid to carbon sequestration in the ocean . "The ocean's carbon content is 50 times greater than that of the atmosphere. Its sheer size also means that ocean climate solutions can be tailored to significantly mitigate climate risks," they wrote in a letter published on the Ocean Visions website. . , a non-profit umbrella group for universities and oceanographic institutions focused on ocean climate restoration solutions. The problem? Even scientists know little about the effectiveness, risks, or impacts of ocean carbon capture solutions. ((Skodt McNalty/CBC)