evidence: The ocean has long taken the brunt of the impacts of human-made global warming, says UN Climate Change. As the planet’s greatest carbon sink, the ocean absorbs excess heat and energy released from rising greenhouse gas emissions trapped in the Earth’s system. Today, the ocean has absorbed about 90 percent of the heat generated by rising emissions. [...] The ocean – the world’s greatest ally against climate change The ocean is central to reducing global greenhouse gas emissions. Here are a few reasons we need to safeguard the ocean as our best ally for climate solutions.