Today: 20.Jan.2018

Sebastian Luening, paleogeologist, Hui Su, Jet Propulsion Lab, USA et al., Andrew Follet: Most global climate models are underestimating increased rainfall caused by global warming. NASA and four universities compared climate data from 1995 to 2005 to 23 climate model simulations for the same period. More than 70 percent of the climate models underestimated the amount of rain compared to the real world observations. “Precipitation is vital to life on Earth and regional precipitation changes accompanying anticipated global warming could exert profound impacts on ecosystems and human society,” reads the study’s abstract.

Sarah Kaplan, The Washington Post: About 700 million years ago, Earth turned into a snowball. The polar ice sheets expanded until they engulfed the globe. The oceans turned to slush. The vast expanses of ice and snow reflected the sun's light back into space, exacerbating the endless winter. Temporary relief came in the form of massive volcanic eruptions, which spewed carbon dioxide into the atmosphere and triggered a period of global warming. But that, too, spiraled out of control. Earth became a greenhouse — its oceans hot enough to cook their inhabitants, its blighted landscape further ravaged by floods. Then, suddenly, something about the shifting continents or ash-darkened skies prompted the planet to cool again. The snowball returned.

Dennis Avery, Townhall: In 2016, the world’s top particle physics research facility, CERN, turned the global warming debate upside down. CERN found, in the first-ever laboratory analysis of cloud chemistry, that solar variations—not CO2 molecules—were the biggest factor in the earth’s recent warmings! To be fair, climate modelers always admitted that clouds were the biggest unsolved mystery in climate change. Two events, a solar minimum and solar sun spot minimum could mean no trend increase in earth’s thermometer readings from 1998 until after 2100! That’s a century of non-warming, and neither occurrence is connected to CO2 changes.

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