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

Talking to climate change deniers and skeptics can tricky. Here are handy responses to some of the most frequent arguments climate deniers use.
In This Series
-
China and India have joined Kyoto, they just have different obligations, as is morally appropriate
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Why should the U.S. join…
-
‘Kyoto is a big effort for almost nothing’–Kyoto is only in its first phase
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The Kyoto treaty, even if…
-
The problem is not how high the temperature may go, but how fast it is changing
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The earth has had much…
-
‘It’s the sun, stupid’–Very bright, yes, but not getting brighter
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: The sun is the source…
-
‘Historically, CO2 never caused temperature change’–Not so
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: In the geological record, it…
-
‘Geological history does not support CO2’s importance’–Just not true
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Over the last 600 million…
-
‘CO2 doesn’t lead, it lags’–Turns out CO2 rise is both a cause and an effect of warming
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: In glacial-interglacial cycles, CO2 concentration…
-
There is no proof in science, but there are mountains of evidence
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Correlation is not proof of…
-
Water vapor is indeed a powerful greenhouse gas, but there is plenty of room for CO2 to play a role
(Part of the How to Talk to a Global Warming Skeptic guide) Objection: H2O accounts for 95% of…