‘It’s cold today in Wagga Wagga’–Weather and climate are different
(Part of the How to Talk to a Global Warming Skeptic guide)
Objection: It was way colder than normal today in Wagga Wagga, proof that there is no global warming.
Does this even deserve an answer? If we must …
Answer: The chaotic nature of weather means that no conclusion about climate can ever be drawn from a single data point, hot or cold. The temperature of one place at one time is just weather, and says nothing about climate, much less climate change, much less global climate change.
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‘There is no evidence’ — Yes, there is
(Part of the How to Talk to a Climate Skeptic guide) Objection: Despite what the computer models tell us, there is actually no evidence of significant global warming. Answer: Global warming is not an output of computer models; it is …
‘Mauna Loa is a volcano’ — CO2 rise is measured on top of a volcano!
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: CO2 levels are recorded on top of Mauna Loa ... a volcano! No wonder the levels are so high. (image courtesty of Global Warming Art)
‘Warming is due to the Urban Heat Island effect’ — No, it isn’t
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The apparent rise of global average temperatures is actually an illusion due to the urbanization of land around weather stations, the Urban Heat Island effect.
