
The new NASA global data set combines historical measurements with data from climate simulations using the best available computer models to provide forecasts of how global temperature (shown here) and precipitation might change up to 2100 under different greenhouse gas emissions scenarios. (Credit: NASA)
NASA Nominee Kinda Sorta Doesn’t Really
Walk Back Position on Global Warming
by Douglas Messier
Managing Editor
On Friday, the U.S. government released a long-in-the-making report on climate change that contained a stark assessment of what humans are doing to planet Earth.
“This assessment concludes, based on extensive evidence, that it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century,” the report states. “For the warming over the last century, there is no convincing alternative explanation supported by the extent of the observational evidence.”
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