A 15-minute scientific talk about how ozone caused by effusive volcanism or CFC gases provides a clear, direct, and sufficient explanation for each of the major changes in global warming over the past 100 years and throughout the history of planet Earth. A talk given on January 12, 2016, at the annual meeting of the American Meteorological Society in honor of Mario Molina, who shared the 1995 Nobel Prize in Chemistry for deciphering the effects of CFCs on ozone. Click here for the video. Read the abstract here.

An 18-minute TEDx talk about how explosive volcanoes cause global cooling while effusive, basaltic volcanoes, typical of Iceland or Hawaii, cause global warming. Climate change throughout geologic time has primarily been a balance between the frequency of explosive eruptions and the duration of effusive eruptions, which is controlled by the motion of large tectonic plates. A talk given on October 28, 2015, at TEDx Wilmington . Click here for the video

A 58-minute scientific talk on YouTube that summarizes the key scientific issues discussed on this website Click here for the video or at tinyurl.com/ozone-depletion-theory.

Some answers to your questions

Are greenhouse gases the real cause of global warming? Click here for the video

Why has global warming stopped increasing since 1998? Click here for the video

What explains climate change throughout the history of Earth? Click here for the video

How do we know that ozone-depletion theory is the best explanation for climate change? Click here for the video

Why haven’t other scientists figured out the importance of ozone depletion? Click here for the video

Is there hope for the future regarding climate change? Click here for the video

Why has the global warming discussion been misguided? Click here for the video

Last updated 27-Jan-2016    © 2015 Peter L. Ward. All Rights Reserved