You can now run a MOOC at your own pace, from July 1

The Denial 101x MOOC (Massive Open Online Course) was a great success, with thousands of participants and many satisfied students. I admit that I was quite touched by the mostly positive student reactions and I am thankful to John Cook for inviting me to contribute to this course in a small way. This video compilation of students’ feedback shows how people from diverse backgrounds all got something from the course.

From July 1, 2015 onwards, the course is available for anyone to follow at their own pace. It’s completely free of charge, naturally!

My own contributions were three short video lectures.

The first one deals with the myth that the rise in CO2 that we have seen over the past 200 years could have come from a natural source, like volcanoes. I provided some supplemental material here or here, discussing the lecture material in more detail and providing some references.

The second looks at the rise in global temperatures since 1850 and debunks the myth that this could have been due to the natural processes that caused an end to the Little Ice Age. Supplemental material is here. There is now a much slicker animation of my central argument (which I had cribbed from the IPCC) done by Gavin Schmidt and Kate Marvel of NASA.

And now for something completely different…  My third lecture debunks an alarmist myth that claims that destabilizing methane clathrates in the Arctic will cause a catastrophic climate change this century. They won’t, but that doesn’t mean that the warming Arctic won’t throw any nasty climate feedbacks our way or that methane clathrates won’t provide a nasty feedback over many centuries. (I must thank my neighbours and friends Gary McNutt and Ky Fox for volunteering to film this lecture.)


My MOOC colleague Keah Schuenemann has compiled a list of the MOOC videos, all of which can be watched whether you are registered for the course or not. Here they are:

Week 1:  Overview of the climate controversy
Consensus of evidence https://youtu.be/5LvaGAEwxYs
Consensus of scientists https://youtu.be/WAqR9mLJrcE
Consensus of papers https://youtu.be/LdLgSirToJM
From the experts: Scientific consensus https://youtu.be/tU_aMg73h90
Knowledge based consensus https://youtu.be/HUOMbK1x7MI
Vested interests https://youtu.be/8i-fDTeHyd8
Dragons of inaction https://youtu.be/b3mxyFGjelA
Ideological bias https://youtu.be/nj1-tDKuHno
From the experts: Psychology of denial https://youtu.be/fq5PtLnquew
Manufacturing doubt https://youtu.be/uhykhXxjzGE
From the experts: Skepticism vs Denial https://youtu.be/–pyeRHCpRM
Media balance-as-bias https://youtu.be/YdUVe0kd24A
Five characteristics of science denial https://youtu.be/wXA777yUndQ
From the experts: Spread of denial https://youtu.be/OjMx7dFZsr4
From the experts: Attack on science https://youtu.be/6w-_1NErdzk
Week 1 wrap up https://youtu.be/znJkCgibsO0
Full interview with Ben Santer https://youtu.be/EOrUYQhGzT8
Full interview with Naomi Oreskes https://youtu.be/suz_13pXgEw
Full interview with Peter Doran https://youtu.be/TGbYpmhpXzY
Full interview with Stephan Lewandowsky https://youtu.be/7FQUsCyLzlE
Full interview with Lawrence Hamilton https://youtu.be/m0dXY2e6SrY
Full interview with Katharine Hayhoe https://youtu.be/BjhrwA9f4G8
Full interview with Michael Mann https://youtu.be/k3j9j6WNpRM
Full interview with Eugenie Scott https://youtu.be/sCk_3RNWdZI
Scientific Method https://youtu.be/OBYwy8vMvNI
Full interview with Ritayan Mitra https://youtu.be/s4DxkYiDXhY
Week 2:  Global warming is happening
Week 2 overview https://youtu.be/UWrg96LEZgE
Heat build-up https://youtu.be/Lepc2OKX6uQ
Hot records https://youtu.be/5IxYhEKbsZo
Shrinking glaciers https://youtu.be/we39vRtT1d0
Greenland ice loss https://youtu.be/M9hQBGXsEP0
Antarctic land ice vs sea ice https://youtu.be/9PUmKHBtnlA
Cryosphere: Expert Interviews https://youtu.be/ERLd15drxDA
Building a robust temperature record https://youtu.be/YKQiyBkt4Vs
Heat in the city https://youtu.be/pidRKmq2iGI
Wavy jet stream https://youtu.be/B1fwNnJUYgU
Climate change vs global warming https://youtu.be/HAF9jl6fupA
From the experts: Full interview with Phil Jones https://youtu.be/fuRU10ocuds
Week 2 wrap up https://youtu.be/z0vJHeVjE5A
From the experts: Full interview with Jonathan Bamber https://youtu.be/evOy3e4tNQU
From the experts: Full interview with Fabrice Calmels https://youtu.be/3ECc5d1j8L4
From the experts: Full interview with Antoni Lewkowicz https://youtu.be/evOy3e4tNQU
From the experts: Full interview with Eric Rignot https://youtu.be/kzaKaLq86pE
From the experts: Full interview with Lonnie Thompson https://youtu.be/Z3sU24BD5vQ
From the experts: Full interview with Isabella Velicogna https://youtu.be/VRbVoA3Ccos
Week 3:  We are causing global warming
Week 3 overview https://youtu.be/cSYHn2ubmAE
Upsetting natural balance https://youtu.be/kQ9hPl9dl98
The CO2 rise is man man-made https://youtu.be/w5p9osQqpSE
Taking up residence https://youtu.be/8R4YavfQ7jk
From the experts: Carbon cycle https://youtu.be/iEDnjIeBRk8
The greenhouse effect https://youtu.be/PTfnuX-HVk8
Increasing the greenhouse effect https://youtu.be/we8VXwa83FQ
Reinforcing feedback https://youtu.be/dHozjOYHQdE
From the experts: Greenhouse effect https://youtu.be/H4YSwajvFAY
Structure of our atmosphere https://youtu.be/LM_sKZCv26A
Measuring from space https://youtu.be/wEuSfMRB7pU
Daily and yearly cycle https://youtu.be/FhHuaq1xQbU
Week 3 wrap up https://youtu.be/irWfvG32q0o
Full interview with Corinne Le Quéré https://youtu.be/JBqcZQxYPrs
Full interview Ed Hawkins https://youtu.be/tgzTDcpA3oM
Full interview with Steve Sherwood https://youtu.be/2i1xJ68SREQ
Full interview with Luke Barnard https://youtu.be/CG7WjmkXbCA
Full interview with Joanne House https://youtu.be/EkShFvzt1W4
Full interview Mike Lockwood https://youtu.be/NqHQ8i6G-eI
Full interview with Bill Ruddiman https://youtu.be/CaUHSV6yCA8
Week 4:  The past tells us about the future
Week 4 Overview https://youtu.be/Dxp5YJNWPi0
Message from the past https://youtu.be/H5kejSYPD7U
The Little Ice Age https://youtu.be/0n3bX_5d7vA
Ancient CO2 levels https://youtu.be/aqkGoCglp_U
From the experts: The past https://youtu.be/GGEjfUHPVcE
Medieval warm period https://youtu.be/AD16nCsvjqs
Confused decline https://youtu.be/dc8A6SIJijs
From the experts: The decline https://youtu.be/yP6N9nbmS54
Principles that models are built on https://youtu.be/mYU2uawYPlE
Success stories https://youtu.be/Y_jKXcgR_QA
Weather vs climate https://youtu.be/YwfX5l9FuPI
Climate science in 1970s https://youtu.be/_F6bq0l18Ng
Future ice age https://youtu.be/jaVM5H_TGrU
Tendency to underestimate climate impacts https://youtu.be/NfggcaM666s
From the experts: Climate Models https://youtu.be/PZo1TYpsy2U
Week 4 wrap up https://youtu.be/W-Gx9lfYao4
The Climate of Middle Earth: Part 1 https://youtu.be/jJNkd5g6oxI
Full interview with Tim Osborn https://youtu.be/mWF–68qo1s
Full interview with Andy Pitman https://youtu.be/trIp4yBbHrU
Full interview with Greg Webb https://youtu.be/Iwd4_lLjxqI
Full interview with Katrin Meissner https://youtu.be/lPfQAIvfWkA
Full interview with David Stevens https://youtu.be/2fwx_COshsY
Week 5:  We are feeling the impacts of climate change
Week 5 overview https://youtu.be/4YHOMi58aGc
Climate is sensitive https://youtu.be/u4L8w5wUh9s
Water vapor amplifies warming https://youtu.be/u9L49p9Y8Mg
The role of clouds in climate change https://youtu.be/TW33e9J3fRc
Methane clathrate feedback https://youtu.be/IOYHKlvRYMc
Adaptation takes time https://youtu.be/LrIN6gK3S0A
From the experts: Ecological impacts https://youtu.be/ijEx2L7keEY
Polar bears https://youtu.be/MddWTJEFrTc
Ocean acidification https://youtu.be/W1TZ8g8JYVU
From the experts: Coral bleaching and ocean acidification https://youtu.be/JMaFknj3e4k
Overall impacts https://youtu.be/TcxxhDVvTXU
Carbon Dioxide is a pollutant https://youtu.be/quU3bG7lVfY
Agricultural impacts https://youtu.be/wcDUaBO8T34
From the experts: Impacts on society https://youtu.be/Zhv8bvXJ5fs
Extreme weather https://youtu.be/Ijwu1DLaE9w
Heat waves https://youtu.be/POaVUAnp5j0
Hurricanes https://youtu.be/9mKC49AUVUo
Week 5 wrap up https://youtu.be/N85TuCJX65o
Making sense of the slowdown https://youtu.be/CE1yQz_VJHc
The Climate of Middle Earth: Part 2 https://youtu.be/sRS1ptPOF54
Full interview with Richard Alley https://youtu.be/JQimNeJn9D4
Full interview with Charlie Veron https://youtu.be/SCek8oTB5KM
Full interview with Annamieke Van De Heuvel https://youtu.be/3-IxN7TCS0A
Full interview with Sir David Attenborough https://youtu.be/Hs73hRhWovQ
Full interview with Christine Hoskings https://youtu.be/Er3CoGQE9b0
Full interview with Kevin Trenberth https://youtu.be/su5FVlzOBi0
Week 6:  Responding to denial
Week 6 overview https://youtu.be/gJ0xTCDNnmo
Vocal Minority https://youtu.be/uKWDGlBKIGc
Worldview Backfire Effect https://youtu.be/CtSk03efSqQ
From the experts: Psychology of denial https://youtu.be/9It19FHt50g
Inoculation Theory https://youtu.be/K3YngyVdyrI
Sticky science https://youtu.be/TM-zNO02phw
Flu Shots https://youtu.be/wfq0Xrgsn_4
From the experts: Debunking https://youtu.be/4pg0fDdo85I
From the experts: Climate metaphors https://youtu.be/UBa0f4uoQm0
Week 6 wrap up https://youtu.be/2sxv2R09jOI
The Climate of Middle Earth: Part 3 https://youtu.be/zIe6EefVjTw
Full interview with Dan Lunt https://youtu.be/HpaJ3mKftas
Full interview with Simon Donner https://youtu.be/CZENiRzi2q0
Full interview with Ullrich Ecker https://youtu.be/VT6QjLnYGu8
Full interview with Michael Ranney https://youtu.be/ElRSUgRo4dU
Full interview with Courtney St. John https://youtu.be/8cDx3ijVb78
Full interview with Mark McCaffrey https://youtu.be/gnU6DxIlNLk

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