The trees will know

Reminds me fleetingly of the march of the Ents in the Lord of the Rings; in Russia's vast northlands, the compositions of the forests, vis-a-vis what trees are living in them, are changing. Whether or not one subscribes to the (yes it's true, if you're a dolt that doesn't) cause as human activities pumping greenhouse gases into the atmosphere, this arboreal adjustment indicates, as do many other similar indicative trends in the natural world, that climate change is happening, and probably getting faster, too.

This whole article from SciAm is detailed enough to make the trends understandable - and deeply troubling.

Shift in Northern Forests Could Increase Global Warming
Vegetation change underway in boreal forests as a result of climate change creates a feedback loop that prompts more warming, scientists say