Views and deabtes on climate change policy
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Archive: October 11, 2009 - October 17, 2009

Doubts About Us, Not Warming

Scientific understanding of the biophysical process and consequences of global climate change will surely evolve as further discoveries are made and hypotheses are challenged. However, even a Skeptical Scientist would have to conclude without doubt that -- based on evidence,...

By Donald F. Boesch | October 15, 2009; 3:51 AM ET | Comments (40)

It's Time for Action

Climate change is an extremely complex issue, so there will always be room for people with agendas to raise questions and doubts. Yet the basic mechanism of global warming has been well understood for a century, and the best available...

By Lars G. Josefsson | October 15, 2009; 3:32 AM ET | Comments (6)

Wheel of Fortune?

There is no doubt about the science, but what remains is uncertainty. By "the science" I mean the fact that CO2 (and other trace gases) absorbs in the infrared range, warms the atmosphere as a result and that increasing CO2...

By David Hone | October 14, 2009; 6:52 PM ET | Comments (5)

What's Really in Doubt?

There are plenty of uncertainties in the current state of climate science, but there are no serious doubts about the four propositions basic to the push to reduce CO2 and other greenhouse gas (GHG) emissions: 1) activity is the primary...

By Robert J. Shapiro | October 14, 2009; 4:09 PM ET | Comments (14)

Operating as Hypotheses

In science, there is always some level of doubt, which is why scientists try to falsify an accepted theory and in doing so advance our understanding and produce new knowledge. Only in climate science is questioning and skepticism not considered...

By William O'Keefe | October 14, 2009; 2:51 PM ET | Comments (30)

Can We Stop Global Warming?

The doubt at this point is whether we still have margin to actually stop global warming from getting completely out of control. Scientists are pretty clear that 350 parts per million Co2 represents a kind of threshold -- as one...

By Bill McKibben | October 14, 2009; 2:47 PM ET | Comments (11)

The Science is Clear... So is the Economics

Looking at the big picture, there is very little doubt. The vast majority of climate scientists tell us that increases in carbon dioxide cause higher temperatures over time. We know that this will mean changes in rainfall, melting of...

By Bjorn Lomborg | October 14, 2009; 9:17 AM ET | Comments (11)

The Cost of Being Wrong

"If we can't predict the weather," one might ask, "how can we predict the climate?" Let me answer with another question: "If we can't predict the waves, how do we predict the tides?" It may seem easier to get the...

By Reid Detchon | October 13, 2009; 11:40 PM ET | Comments (18)

The Prize Won't Impact Obama's Climate Policies

The impact of the awarding of the Nobel Peace Prize to Barak Obama will have absolutely no impact on his personal commitment to addressing the challenge of climate change, or on the positions of the United States.   Likely to...

By David F. Hales | October 13, 2009; 2:05 PM ET | Comments (0)

Senate Engagement Key to Success in Copenhagen

Memories of Kyoto have led many to believe that the Obama Administration should arrive at Copenhagen prepared to negotiate only those climate commitments which the Senate is prepared to support.  A logical conclusion after the debacle of Kyoto.   But unless...

By Carter S. Roberts | October 13, 2009; 11:38 AM ET | Comments (0)

Can We Live at Peace With the Earth?

I don't really have any insight to President Obama winning the Nobel Peace Prize and how climate talks will be affected. The topic does however raise the bigger question for humankind, "Can we live at peace with the earth?" Will...

By Rick Edmund | October 12, 2009; 11:42 AM ET | Comments (0)

Obama Needs to Show Global Leadership

While congratulating President Obama on winning the Nobel Peace Prize, from the perspective of tackling the climate change problem he has yet to show the global leadership he promised. Coincidentally the timing of the award ceremony in Oslo in December...

By Saleemul Huq | October 11, 2009; 8:44 AM ET | Comments (0)

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