New York Times: A leading idea to fight global climate change is to permanently remove some of the carbon dioxide building up in the atmosphere. Here`s one way to do it: deep-six much of the world`s agricultural waste. Plants remove CO2 from the air through photosynthesis, incorporating the carbon in their tissues. So dumping corn stalks, wheat straw and other crop residues into the deep ocean, where cold and lack of oxygen would keep them from decomposing, would in effect sequester …