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

‘Climate scientists dodge the subject of water vapor’–No, they really don’t

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Climate scientists never talk about water vapor -- the strongest greenhouse gas -- because it undermines their CO2 theory. Answer: Not a …

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

‘We are just recovering from the LIA’–Why should we expect this to happen?

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Today's warming is just a recovery from the Little Ice Age. Answer: This argument relies on an implicit assumption that there is …

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

‘The CO2 rise is natural’–No skeptical argument has been more definitively disproven

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: It's clear from ice cores and other geological history that CO2 fluctuates naturally. It is bogus to assume today's rise is caused …

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

‘Natural emissions dwarf human emissions’–But emissions are only one side of the equation

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: According to the IPCC, 150 billion tonnes of carbon go into the atmosphere from natural processes every year. This is almost 30 …

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

‘Climate is always changing’–That doesn’t mean it isn’t different today

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Climate has always changed. Why are we worried now, and why does it have to be humans' fault? Answer: Yes, climate has …

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

‘The null hypothesis says warming is natural’–An inappropriate test, and one that would fail anyway

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Natural variability is the null hypothesis; there must be compelling evidence of an anthropogenic CO2 warming effect before we take it seriously. …

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

‘Volcanoes emit more CO2 than humans’–Not even close …

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: One decent-sized volcanic eruption puts more CO2 in the atmosphere than a decade of human emissions. It's ridiculous to think reducing human …

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

‘Mars and Pluto are warming too’–No they aren’t — and what if they were?

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Global warming is happening on Mars and Pluto as well. Since there are no SUVs on Mars, CO2 can't be causing global …

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

‘Global warming is part of a natural cycle’–This idea is one short step above appealing to magic

(Part of the How to Talk to a Global Warming Skeptic guide) Objection: Current warming is just part of a natural cycle. Answer: While it is undoubtedly true that there are natural cycles and variations …