Coby Beck

Former musician, turned tree planter, turned software engineer. Same old story... I have been blogging about climate change since 2006 at A Few Things Ill Considered.

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘Vineland was full of grapes’–Or was it an early advertising campaign?

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Newfoundland was so warm in the Medieval Warm Period that when the Vikings landed they called it Vineland and brought boatloads of grapes back to Europe. Answer: …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘The hockey stick is broken’–Well, no … but who’s playing hockey anyway?

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The Hockey Stick graph -- the foundation of global warming theory -- has been shown to be scientifically invalid, perhaps even a fraud. Answer: The first order …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

Yes, the last ice age started thawing over 20,000 years ago, but that stopped a long time ago

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Global warming has been going on for the last 20,000 years. Answer: It is true that 20,000 years ago the temperature was some 8 to 10° C …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘Greenland used to be green’–Don’t judge a book by its cover, much less a land by its name

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: When the Vikings settled it, Greenland was a lovely, hospitable island, not the frozen wasteland it is today. It was not until the Little Ice Age that …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘The Medieval Warm Period was just as warm as today’–Repeating this point does not make it true

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: It was just as warm in the Medieval Warm Period (MWP) as it is today. In fact, Greenland was green and they were growing grapes in England! …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘It was warmer during the Holocene Climatic Optimum’–This period was not global and not like today

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: It was warmer during the Holocene Climatic Optimum than it is today -- without any human influence.   Answer: Though some temperatures during that period were in …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘Hansen has been wrong before’–Maybe, but not about the climate!

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: In 1988, Hansen predicted dire warming over the next decade -- and he was off by 300%. Why in the world should we listen to the same …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

‘They predicted global cooling in the 70s’–But that didn’t even remotely resemble today’s consensus

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The alarmists were predicting the onset of an ice age in the '70s. Now it's too much warming! Why should we believe them this time? Answer: It …

How to Talk to a Climate Skeptic: Responses to the most common skeptical arguments on global warming

Understanding what is happening right under our noses does not require paleoclimate perfection

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Climate science can't even fully explain why the climate did what it did in the past. How can they claim to know what is going on today? …