NBC News @NBCNews The leading source of global news and info for more than 75 years. Jul. 26, 2019 1 min read

New research shows that the recent rise in global temperatures is unlike anything seen on Earth during the past 2,000 years.
 https://nbcnews.to/32PJWGC  (1/5)

A pair of new studies provides evidence that the rise in global temperatures over the past 150 years has been more widespread than any warming period in the past 2,000 years — a finding that undercuts claims that today’s warming isn’t necessarily result of human activity. (2/5)

One study shows that the Little Ice Age and other natural fluctuations affected only limited regions of the planet at a time, making modern warming the first and only planet-wide warm period in the past 2 millennia.  https://nbcnews.to/32PJWGC  (3/5)

In the absence of direct temperature information, the scientists looked at data on old trees’ growth rings, layers of glacier ice and the remnants of corals, whose layers have different chemical compositions depending on the temperature of seawater. (4/5)

Since the beginning of the 20th century, global average temp on Earth has risen by about 2°F

Without concerted efforts to reduce greenhouse gas emissions, the UN says global average temp could rise an additional 5.4 to 9°F by 2100  https://nbcnews.to/32PJWGC  (5/5) #NBCNewsThreads


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