Most clear-thinking people can see by now that there isn't going to be a functioning global carbon emissions abatement scheme in the foreseeable future. Whether or not that's a good thing (and I think it is) is a separate question. Because regardless, we should look at the world as it is. Now of course, excessive carbon emissions into the atmosphere remain a serious concern and a real problem. So what can we do to solve it? First, let's look at the main sources of carbon emissions. The two big ones are energy production and agriculture, which is set to explode...