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The uncertainty of science: A new study suggests a link between CFCs, the ozone hole, and climate change.
“Most conventional theories expect that global temperatures will continue to increase as CO2 levels continue to rise, as they have done since 1850. What’s striking is that since 2002, global temperatures have actually declined – matching a decline in CFCs in the atmosphere,” Professor Lu said. “My calculations of CFC greenhouse effect show that there was global warming by about 0.6 °C from 1950 to 2002, but the earth has actually cooled since 2002. The cooling trend is set to continue for the next 50-70 years as the amount of CFCs in the atmosphere continues to decline.”
The data is interesting, though hardly as conclusive Lu claims. It does illustrate again how incredibly complex climate science is, and how many factors influence it that we can’t yet completely quantify.