The authors warn that those who are most economically and physically vulnerable will continue to be most severely impacted by climate change, whether it's air pollution, disease, floods or fire disasters. But, in a bright spot, the report also references local and global action to reduce emissions, even while acknowledging those efforts won't be enough. According to the report, the climate change is expected to cause growing losses to American infrastructure and property and also impede the rate of economic growth over this century.
A major scientific report issued by 13 federal agencies on Friday presents the starkest warnings to date of the consequences of climate change for the United States, predicting that if significant steps are not taken to rein in global warming, the damage will knock as much as 10 percent off the size of the American economy by century's end.
The report concluded that rising temperatures, rising sea levels, and changes in extreme events are expected to "increasingly disrupt" and "critically damage" infrastructure and labor productivity, affecting import and export prices. As the urgency of climate change continues to grow, leaders in other countries (as well as mayors and governors in the U.S.) have promised to double down on their efforts, largely leaving the US - and, by extension, Trump - by the wayside as the world adapts to changes driven by global warming. "The Bush, Obama and now Trump Administrations have all published reports showing the current and future impacts to the United States from climate change". Every new National Climate Assessment has built on the previous one, confirming that climate change is already happening, and that we need to act", Werner insisted.
"As a climate scientist it is nearly surreal", she said.
But at the same time predictions of future damage can change if drastically limit greenhouse gas emissions.
Which is at odds with the agenda of the administration of Donald trump, who a year ago announced that his country was emerging from the Paris climate agreement, because the implementation of the provisions of this agreement may result in U.S. losing 2.7 million jobs by 2025.
The report is expected to clash with policy under President Donald Trump, who has been rolling back environmental and climate protections to maximize production of domestic fossil fuels, including crude oil, already the highest in the world above Saudi Arabia and Russian Federation.
Mr Trump and several members of his Cabinet have also repeatedly cast doubt on the science of climate change, arguing the causes and impacts are not yet settled.
Homes destroyed by the California wildfires
"Brutal and Extended Cold Blast could shatter ALL RECORDS - Whatever happened to Global Warming?"
The congressionally-mandated Fourth National Climate Assessment (NCA4) is the culmination of an enormous effort by the USA government and scientists from a variety of sectors to provide the US public with the state of the science on climate change, the impacts that it is now having on the country, and those that are likely to manifest.
White House spokesperson Lindsay Walters said the new report was "largely based on the most extreme scenario, which contradicts long-established trends by assuming that.there would be limited technology and innovation, and a rapidly expanding population".
The U.S. Forest Service says more than 1.2 million acres have burned this year in the Northwest due to wildfires. "But I don't know that it's man-made", the president said on CBS' 60 Minutes in October.
"This report is clear: It's real". If we waste another five years of response time, the story gets worse. This is one of the small actions that make a difference in the long-term - and let's be honest, it's not a big effort.
David Easterling, director of the technical support unit at the National Oceanic and Atmospheric Administration's National Centers for Environmental Information, said there had been "no external interference" in the report.
Trump has praised the use of fossil fuels in the past, and the administration stood by this on Friday.
Chicago Hospital Shooting Leaves Multiple Victims
He ducked behind the bus for cover and watched as 50 to 100 people poured out of the hospital, including a victim on a stretcher. Witness James Gray said Dr O'Neal fell to the ground and the shooter, "stood over her and shot her three more times".
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