About 7 to 800 years ago, the Earth was warmer than it is now. And about 3000 yrs ago it was a somewhat warmer than that . In between times there have been ups and downs typically due to solar cycles, volcanic eruptions etc. --Mostly volcanic eruptions which cool the planet down relatively quickly. In the bigger picture temperatures are coming down at a much slower rate than existed say 50 million years ago. At that time, we were roughly 25 degrees hotter than right now. So basically we fluctuate up and down now within a degree or two or less with the general drift being towards cooler temps. --I'm more worried about ice age coming due to lack of even water flow around the Earth with continents positioned to stop flow. Examples would be the Drake Passage and lack of flow through Central America as well as the Arctic Ocean becoming land locked. You can see this easily in the fact that the North Pole is packing on more and more ice and will eventually lead to glaciers down our way.
As I predicted. Typical rightie, shoot the messenger.
so the 2 lefties gives us a link to an al gore sponsored website... and then pretend they did something solid. Read the link tell us how that shows that you have peer reviewed science showing that man made co2 causes warming?
you 2 have been come a clown show. The 2 biggest producers of greenhouse gases here are the 2 biggest anti co2 clowns.
get some science or go away.
By the by, greenhouse gases are more likely to promote more cooling--not more warming.
We are currently around 2.5 degrees cooler than 1250 to 1300 AD and roughly 4.8 degrees cooler than 3000 years ago. We basically oscillate around a mean temperature with an overall gradual declining average temperature. We have been about 4 degrees cooler than now during the past 5 to 600 years so I can see why folks looking short term like you do, believe the sky is falling. It's this short sighted vision by some that gives rise to this inaccuracy known as man made global warming. There of course is no such thing.No it was not warmer 7 to 800 years ago. Did not read any further. No need to. Try again. Like jerm, you are very confused. Too much right wing propaganda and too little science.
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and the right side of that chart is even higher now.