The conference, which set the groundwork for the Rio Earth Summit, was a breakthrough, recommending that governments cut emissions by 20 percent below 1988 levels by 2005. “If we choose to take on this challenge,” remarked one scientist in attendance, “it appears that we can slow the rate of change substantially, giving us time to develop mechanisms so that the cost to society and the damage to ecosystems can be minimized. We could alternatively close our eyes, hope for the best, and pay the cost when the bill comes due.”56 If we had heeded this advice and got serious about meeting that goal
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