Sentences with phrase «natural warming cycle»

In a reconstruction of Pacific Ocean temperatures in the last 10,000 years, researchers have found that its middle depths have warmed 15 times faster in the last 60 years than they did during apparent natural warming cycles in the previous 10,000.

This is the case during natural warming cycles.

Are there natural warming cycles?

«We found there was a small strengthening of the regular seasonal trade winds in the Eastern Pacific in response to natural warming cycles in the Earth's orbit around the sun.

Natural warming cycles.

Assuming a good bit of this was added after the natural warming cycle was started we are probably looking at closer to 1200 ppm over the next century or two before C02 levels begin to decrease again as this natural green house locks up carbon primarily in phytoplankton blooms caused by fertilization from the new large desert regions near the equator and excessive erosion from very intense storm systems the develop in such a hot house climate.

Global Warming is being caused by both the human release of greenhouse gases from the burning of fossil fuels (oil, coal) and a natural warming cycle the Earth is going through

Global Warming is being caused by both the human release of greenhouse gases from the burning of fossil fuels (oil, coal) and a natural warming cycle the Earth is going through As the global temperature begins to rise many changes will occur to climates around the world Complete the global warming simulation on the class webpage.

Here we have all the «sun getting brighter» and «natural warming cycle» theories.