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According to NASA the average temperature of the planet has risen 0.5-0.6 Celsius since 1880. There have been 2 natural El Nino events which has caused a short term warming of the planet. CO2 warming is limited as shown here : http://beforeitsnews.com/science-and-tec...
If these natural El Nino events hadn't happened, there would be no measurable warming. Humans are not to blame. This is plain and simple to understand.
The 1997-1998 ElNino caused a 1 degree celsius spike on global average temperatures. This was not caused by humans
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Pegminer brought it to my attention that the rise in average temperature of the planet was more in the range 0.8 Celsius since 1880, which makes my point even further when it comes to decadle averages. The established normal temperature was reached several years before 1880.
Both. Man has a big influence on earths climate, reduced albedo through deforestation, and soot, (the 1970's cooling might have through the previous decades many clean air act's) building black tarmac roads everywhere and so on. But Co2 has only minor effects and might actually help cooling by increasing plant biomass.
Most climate change is through Solar and planetary orbital changes.
Nabins Nolan chart is wrong, the medieval warm period was warmer than present.
http://www.science-skeptical.de/wp-conte...
Both. The difference is that we can do something about the man-made part.
Like forest fires, it is both.
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