First good. Second, not so good.
More or less, maybe, according to the May issue of the science/tech/culture publication, because:
GMO agriculture may have a smaller carbon footprint than traditionally grown crops.
Organics may have a larger carbon footprint than traditionally grown crops.
In my book, I note that the promise of organic bananas is far less than we’d wish it to be – and the potential of GM bananas has been so undervalued (and so feared) as to be a factor in creating hunger in banana-dependent populations worldwide, as well as contributing to the reduction of genetic diversity in the global banana crop.
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Nobel Prize winner Paul Krugman 
Check out this US Carbon Footprint data, an interactive United States Carbon Footprint Map, illustrating Greenest States. This site has all sorts of stats on individual State energy consumptions, demographics and State energy offices.
http://www.eredux.com/states/