Author Archives: Jonathan Koomey

The Case for the 2 C Warming Limit

Jonathan Koomey responds to an opinion piece that appeared in the journal Nature, titled “Ditch the 2 C warming goal,” by David G. Victor and Charles F. Kennel.  In this re-posting of a piece Koomey published today (8 October 2014) on … Continue reading

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Deep Decarbonization: Truly facing the climate challenge

The recently released Deep Decarbonization report shows that current government emission reductions commitments fall far short of what is needed to keep the world from warming more than 2 C degrees from preindustrial times. Few countries have analyzed the implications … Continue reading

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Separating fact from fiction: a challenge for the media

A misleading coal industry-funded study that claimed the iPhone uses as much electricity as two refrigerators leads Jon Koomey to ask: why do the media keep falling into the trap of lending credence to people who continue to put out incorrect statements, … Continue reading

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Koomey: Moving beyond benefit-cost analysis of climate change

Jonathan Koomey’s method of ‘working forward toward a goal’, based on analyzing the cost-effectiveness of achieving a normatively defined warming target, is an insightful alternative approach to thinking about the climate change problem that avoids serious limitations of conventional benefit-cost analysis. This … Continue reading

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Clean energy: Learning by doing only happens if we DO!

A policy of aggressive deployment of low-emission energy technologies is the path most likely to help the world meet its climate objectives, argues Jonathan Koomey, author of Cold Cash, Cool Climate: Science-based Advice for Ecological Entrepreneurs. Koomey says it’s misguided to think that clean … Continue reading

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“Expertise matters for climate solutions, not just for climate science.”

Jonathan Koomey, independent analyst and Consulting Professor at Stanford University,  comments on our July 2010 interview with Stephen Schneider on climate science expert credibility, and their exchange on clarifying a point about the need for policy expertise in deciding what … Continue reading

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