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THE QUESTION

What Doubt is There About the Science Behind Global Warming?

What doubt is there about the science behind global warming?

Posted by Washington Post Editor on October 14, 2009 11:00 PM
FROM THE PANEL

A Difficult Diagnosis

Examining the science beyond climate change seems to me to be like a medical doctor examining a patient with a difficult diagnosis. As tests are done and examined the physician can rule out certain causes and hone in on...

Posted by Rick Edmund, on October 18, 2009 8:00 AM

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,...

Posted by Donald F. Boesch, on October 15, 2009 3:51 AM

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...

Posted by Lars G. Josefsson, on October 15, 2009 3:32 AM

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...

Posted by David Hone, on October 14, 2009 6:52 PM

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...

Posted by Robert J. Shapiro, on October 14, 2009 4:09 PM

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...

Posted by William O'Keefe, on October 14, 2009 2:51 PM

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...

Posted by Bill McKibben, on October 14, 2009 2:47 PM

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...

Posted by Bjorn Lomborg, on October 14, 2009 9:17 AM

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...

Posted by Reid Detchon, on October 13, 2009 11:40 PM

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