People in the Western world often think linearly ... like a staircase always climbing higher. People in the Eastern world understand the cyclical nature of life and the environment.
There is a daily cycle of the sun shining and not shining.
There is a yearly cycle of the seasons.
There is an eleven year sunspot cycle.
There is a 300 year cycle of sun output, with reduce output possibly linked to increased volcano activity on Earth. Alternative USGS link here.
Core samples from under the Greenland icecap show plants were growing there in the past. If plants grew on Greenland, that would mean the current Greenland cover of snow and ice is due to a cooling period.
Scientists stunned to discover plants beneath mile-deep Greenland ice
The new study makes clear that the deep ice at Camp Century -- some 75 miles inland from the coast and only 800 miles from the North Pole -- entirely melted at least once within the last million years and was covered with vegetation, including moss and perhaps trees.
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