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The Freeway Blogger returns. Climate change signs.

The Freeway Blogger is starting his eco-tour. Coming soon to a freeway overpass near you, perhaps! There are lots of new signs on his blog too.

Permafrost is all the ancient plant matter that used to be safely frozen away in the arctic but is now beginning to thaw, releasing methane into the atmosphere. This creates a feedback loop of more thawing, more methane released, higher temperatures and dramatically less chance we’ll be able to stop it.

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