Upisoft
CEO of a waterfal
So, the graph shows that global temperatures now are greater than mean temperatures in Europe in the past. Did I get it right? Do you say that regional temperatures (you call them "proxy data for the northern hemisphere only, and most of that is for Europe") are global enough to be compared with what you call "global average temperature"? If not then the graph compares apples and pears.No that is not what the graph shows. Again, the blue line is proxy data for the northern hemisphere only, and most of that is for Europe. That is regional. The red line is where instrumental data begins and it is global, not regional. The global average temperature on instruments is warmer than the proxy record of the past 1000 years. The Medieval warm period was not as warm or warmer than it is currently.
I see only speculations, none of these establish cause-effect relationship, only correlation at most.Negative effects to marine ecosystems: (Orr 2005, Fabry 2008, Kroeker 2010)
(Turley 2005), (Miles 2007), (Munday 2010), (Boyce 2010).
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