Apparently it's going to be worse than earlier predications had indicated.
It has recently become a conservative position that "Yes, everbody knows that it's getting warmer but we don't know what's causing it so we need to go slow and do more research." Y'know, there's something to that second part: we really don't know the cause. It *could* be that the sun is brighter or hotter. It *could* be that something other than man-made greenhouse gasses are causing the warm-up.
But what if that's so? Aren't we still in a helluva lot of trouble and don't we need to fix the part that we can control? Don't we need to reduce greenhouse gas emissions, regardless of what's *causing* the heat? We *know* that reducing the CO2 will lower the temperatures. Why wait? Sure, continue to study the phenomenon but get a handle on our emissions now. While there's still a human race to save.
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