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"As I said, except for the permian extinction which was due to worldwide volcanic activity, there is no evidence that warming poses an increased risk. Mass climate driven extinctions you are wringing your hands over all happened as the earth slid into deep ice ages, not warming trends."The problem with this argument is that you are assuming that the biota that existed during those warming period exist today. They don't. And in fact, much of the biota (Particularly those that existed at it's end) came straight out of the last ice age, or evolved soon therafter. As I recall, the current warming period wasn't too kind to the ice age megafauna, or the planet life it depended on.The fact is that climate change always poses risks for species that experience them. We are seeing that even today. And we are no different.
"As I said, except for the permian extinction which was due to worldwide volcanic activity, there is no evidence that warming poses an increased risk. Mass climate driven extinctions you are wringing your hands over all happened as the earth slid into deep ice ages, not warming trends."
The problem with this argument is that you are assuming that the biota that existed during those warming period exist today. They don't. And in fact, much of the biota (Particularly those that existed at it's end) came straight out of the last ice age, or evolved soon therafter. As I recall, the current warming period wasn't too kind to the ice age megafauna, or the planet life it depended on.
The fact is that climate change always poses risks for species that experience them. We are seeing that even today. And we are no different.
