E-Mail Challenge Sent to 2000 Scientists on November 12, 2015

November 12th, 2015

Today I am issuing a $10,000 Climate Change Challenge to you and scientists like you who have worked hard for many years researching climate change.

Ozone depletion caused by chlorofluorocarbon gases (CFCs) and by effusive, basaltic, volcanic eruptions appears to provide a clear, complete, and sufficient explanation for all global warming observed in the past 100 years and throughout Earth history. These observations raise the question, what role does greenhouse-gas warming play?

Estimates of the sensitivity of climate to a doubling of carbon dioxide concentrations assume that all observed warming was caused by greenhouse gases. Remarkably, however, the only published effort to quantify how much the air is warmed when carbon dioxide concentrations are increased (Ångström, 1900) did not find much effect.

It is clearly critical for life on Earth that we get this right. Therefore, I am issuing today, The Climate Change Challenge, offering ten thousand US dollars ($10,000) from my children’s inheritance to the first person or group of people who can demonstrate through observations in the laboratory and/or in the field that a 15% increase in carbon dioxide, such as that observed from 1970 to 1998, can actually cause more warming of Earth than caused by observed contemporaneous depletion of the ozone layer of up to 60%.

The terms of The Climate Change Challenge are explained at WhyClimateChanges.com/Challenge.

The science of the theory of ozone depletion is explained as follows:

1. OzoneDepletionTheory.info, a detailed and fully referenced scientific website first published November 18, 2014.
2. WhyClimateChanges.com, a new website intended primarily for non-scientists.
3. WhyClimateChangesVideos.com, a 58-minute lecture on how global warming is caused by ozone depletion, not greenhouse gases.
4. Volcanoes: A Forge for Climate Change, a TEDx talk given in Wilmington, DE, on October 28, 2015, that will be available on the web in December, 2015.
5. My new book What Really Causes Global Warming? Greenhouse gases or ozone depletion? available at WhyClimateChanges.com/shop-online or from any book seller.

Join the scientific discussion groups.google.com/d/forum/why-climate-changes

Follow information shared at #WhyClimateChanges

Sincerely,

Peter L. Ward

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