Studies can prove whatever you want them to

Even that a cogeneration unit on natural gas can compete with nuclear energy in terms of CO₂ emissions

It is often difficult to see the wood for the trees on the present day energy landscape. There are probably as many contradictory studies being carried out on how to reduce greenhouse gas (GHG) emissions as there are on how to lose weight. If a study is published today 'proving' that a diet without potatoes is the most effective, you can be sure that tomorrow someone will launch the Potato Diet, 'losing weight by eating as many potatoes as you want!'

How green is biomass? How green are photovoltaic cells? What amount of CO₂ emissions is attributable to nuclear energy? What is the cost of nuclear energy? Is carbon capture and storage a sustainable technology? Is cogeneration green? How big are the earth’s oil reserves? You can find studies that prove any position you want take on those subjects.

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