NASA admits climate change occurs because of changes in Earth's solar orbit, not because of SUVs and fossil fuels
(www.sott.net)
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From a quarter to half of Earth’s vegetated lands has shown significant greening over the last 35 years largely due to rising levels of atmospheric carbon dioxide, according to a new study published in the journal Nature Climate Change on April 25.
Did you know the Sahara desert for example used to be green?
More than green, it was lush with vegetation and animals. As the weather changed, the people and animals migrated to other more habitable areas. Now the dust from the Sahara desert travels over the Atlantic and provides fertile nutrients to the Amazon rainforest.
Do you think man had nothing to do with changing it from forest to desert?
Nope. Anthropogenic climate change is theoretically possible in a limited sense, however pretty much everything that we are capable of doing is temporary on a global and geological scale is extraordinarily miniscule. The sun is the greatest factor in this planet for climate. I doubt there are any real numbers, but my guess would be that the sun is responsible for 99.999% of the climate of this planet. The other celestial bodies make up the bulk of the remaining percentage. Our effect on this planet is very limited. We tend to have quite the view of our importance in the Universe. We are like single cell organisms in the ocean plotting to take over the world.
The estimates are around 10-11k years ago when the Sahara turned dry. There are suggestions that it is cyclic. Humanity has nothing to do with that cycle. It was pretty close to the end of the last ice age.