Dec 28, 2015
From "unprecedented" flooding in the UK and South America to deadly tornadoes in the U.S. to record-breaking heat in Australia, the effect of man-made climate change on extreme weather is on display across the globe as 2015 draws to a close.
Scientists have long warned that human-caused climate change increases both the likelihood and intensity of so-called extreme weather events, which include torrential rainfall, superstorms, and droughts.
This year, the natural phenomenon known as El Nino is making the effects of man-made climate change worse, according to experts. And in reverse, climate change is exacerbating El Nino. As Common Dreams reported earlier this year, temporary warming of surface waters in the Pacific, known as El Nino, drives dramatic shifts in rainfall, temperature, and wind patterns worldwide, and can last for months or even years. In fact, Oxfam has warned, the warming of the oceans as a result of climate change may double the frequency of the most powerful El Ninos.
"The specifics of what's happening where El Nino, Arctic dynamics, and underlying warming meet are, in a word, complex, and scientists are actively discussing how things might play out," wrote Erika Spanger-Siegfried of the Union of Concerned Scientists last week. "But the collective bottom line recognizes that global warming plays a role."
On the ground across the world, the effects have been dire.
Hundreds have been evacuated in the wake of "biblical" flooding across northern England, while The Independent reports on Monday that UK officials "were warned by the Government's own climate change advisers that they needed to take action to protect the increasing number of homes at high risk of flooding--but rejected the advice."
The Daily Mail reports that Labour Party official and MP for flood-hit Leeds Central Hilary Benn said the flooding showed that the debate about climate change is over.
"The need for improved flood defense is increasing really, really fast because the climate is changing," he said. There is "no doubt" that the world's climate is now different, he said, adding: "We've got to adapt to the changing climate, and improving our flood defenses is one of the urgent ways we need to do that."
Heavy flooding has forced more than 100,000 people to flee their homes throughout Paraguay, Uruguay, Argentina, and Brazil, Common Dreams reported on Sunday.
Meanwhile, in the U.S., heavy rains and flash floods have devastated parts of the Midwest and South, with Missouri Gov. Jay Nixon declaring a state of emergency and more severe storms--with the possibility of tornadoes--continuing to pound portions of the Southeast, including much of Mississippi, Alabama, and the Florida Panhandle, on Monday.
Already, the weather events are said to have killed at least 43 people.
The freak storms don't stop there. USA Today reported that snow and ice brought whiteout conditions and locked up roads across parts of Texas, New Mexico, and Oklahoma.
On the other side of the globe, weather extremes have gone in a different direction. According to the Australia Associated Press on Monday, "lives and homes are under threat from an out-of-control bushfire in Western Australia's south-west region."
The news outlet notes the state has been experiencing a hot summer and Perth recorded its second hottest day of the year on Monday, reaching 41.6deg C.
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