One unarguable result of climate change (Score 1)

Many mosquito species are exquisitely sensitive to climate change, particularly changes in yearly minima. Put another way, some mosquito species can overwinter north of the Arctic Circle, while other species can exist only in the tropics.

Readers may not be aware of the significance of the foregoing facts, because these readers may not be aware of the unique importance of mosquitoes as disease vectors.

An increase in average annual global temperatures of 1.64 degrees Celsius (nearly 3 degrees Farenheit) means, amongst many other things, that the mosquito vectors of diseases heretofore unknown in the temperate latitudes will find a permanent home in the temperate zone and spread their diseases.

Already, the West Nile virus has become endemic in the northern United States and, apparently, even into Canada. Far worse, dengue fever (and the associated, nearly always fatal, hemmorhagic fever), previously regarded as a tropical disease, has now become endemic in the Brownsville, Texas, region. Other, mosquito-borne diseases, particularly including drug-resistant malaria, are also making their way north.

The foregoing are dire, undisputed facts. This author's view is that those who denigrate the world-wide efforts to stop climate change can only be taken seriously when they provide solutions for the problems climate change has already produced.