likewise. I really struggle with the concept that all the feedback loops are positive and will lead to runaway change. How will the warming of the Arctic affec

likewise. I really struggle with the concept that all the feedback loops are positive and will lead to runaway change. How will the warming of the Arctic affect plant growth? It seems logical to expect lots more plants up there as the permafrost shrinks and exposes more fertile country. Is that a optimism I can cling to? ;)