Many of the Climate Impacts Predicted in the Last National Climate Assessment, in 2014, Are No Longer Theoretical

This year's report contains many of the same findings cited in the previous National Climate Assessment, published in 2014. From a report: More and more of the predicted impacts of global warming are now becoming a reality. For instance, the 2014 assessment forecast that coastal cities would see more flooding in the coming years as sea levels rose. That's no longer theoretical: Scientists have now documented a record number of 'nuisance flooding' events during high tides in cities like Miami and Charleston, S.C.

'High tide flooding is now posing daily risks to businesses, neighborhoods, infrastructure, transportation, and ecosystems in the Southeast,' the report says. As the oceans have warmed, disruptions in United States fisheries, long predicted, are now underway. In 2012, record ocean temperatures caused lobster catches in Maine to peak a month earlier than usual, and the distribution chain was unprepared.

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