When are we going to stop using unprovable global warming nonsense to distract humanity from taking action on real and provable environmental problems such as farmland soil destruction, fish habitat destruction/ overfishing, ocean dead zones/ garbage gyres, deforestation/ desertification, not to mention the human greed embodied in endless suburbia, SUVs, excessive travel/ waste/ consumerism, McMansions, etc. ?
The massive costs to sequester CO2 would kill all more practical and necessary efforts. We should certainly stop squandering energy, maybe even using an energy or pollution tax, but we should not surrender national sovereignty or democracy in the process and we should not squander cleanburning / easily transportable natural gas just to save a bit of coal. Green (solar/ wind) intitiatives are all very well but they must be energy effective and economically viable without artificial subsidy (and yes, oil prices should reflect military and other hidden subsidies).