Shanghai Daily: A NEW Mexico Tech scientist believes he has found a way to head off dangerous climate change. Oliver Wingenter says the idea is simple - fertilize the ocean so that more plankton can grow. Plankton growing in the ocean emit a gas known as dimethyl sulfide, or DMS, that once in the atmosphere, helps spur cloud formation. That, in turn, will cool the planet and offset some of the global warming caused by human created greenhouse gases, he said. World governments are …