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Some Dryland Forests Have Been Hiding in Plain Sight


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Some Dryland Forests Have Been Hiding in Plain Sight

A new estimate of the extent of dryland forests suggests that the global forest cover is at least 9% higher than previously thought. The study , published in the May 12 issue of Science, will help reduce uncertainties surrounding how much carbon dioxide plants absorb from the atmosphere globally. As carbon dioxide is a key driver of climate change, the study's results are important for climate modeling.


By AAAS, USA.


Technology Policy Resource.

Heroin and Illicit Fentanyl Drive Death Rates Up, Pose Challenges


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Heroin and Illicit Fentanyl Drive Death Rates Up, Pose Challenges

Opioid related deaths contributed to the first increase in the death rate in the United States in more than two decades – an uptick last seen at the height of the HIV/AIDs epidemic in 1993 – and factored into a year-over-year decline in the nation’s life expectancy in 2015, according to an expert addressing a congressional briefing and a related presentation on the opioid epidemic at the American Association for the Advancement of Science’s headquarters on May 10.


By AAAS, USA.


Technology Policy Resource.