re: Yet another variable in AGW - About those Halocarbons...
Natural halocarbons:
[A large amount of the naturally occurring halocarbons are created by wood fire, dioxine for example, or volcanic activities. A second large source are marine algae which produce several chlorinated methane and ethane derivates.]
Hello!!!! METHANE ANYONE? Drought into the mix and you've got heavy halocarbons to add to that mix.
Absolutely Methane is a huge contributor of Green House Gas. That coupled with soot and you've got a cozy thing happening.
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Our sun and space weather environment is another story.