Sunday November 18, 2018

India among 14 nations to train students on climate change

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Washington: The White House today informed that India, France, China and Britain are among 14 countries who will train students on climate change and its impacts on health.

From these 14 countries, 48 medical, public health and nursing schools committed to give training to their students. This put the total number of schools in the world teaching climate change to 118, said the White House.

In India, two centers of Indian Institute of Public Health, including one in Bhubaneshwar, have taken up this objective.

The White House will make an official announcement in this regard on the sidelines of the ongoing Paris Climate Summit.

The present decision to train students on climate change is an expansion of a previous initiative towards this end. The White House said that US President Barrack Obama is committed to this global challenge, which needs a global response.

The 14 additional countries joining the move are Australia, Canada, China, Grenada, Ecuador, Finland, France, India, Malaysia, Mexico, Singapore, South Africa, Switzerland and United Kingdom.

A Global Consortium on Climate and Health Education will be formed to implement the working of the Health Educators Climate Commitment, as would soon be announced by the Columbia University Mailman School of Public Health, which is helping in recruiting peer institutions.

The Consortium will also act as a forum, through which, schools around the world dealing with health and medicine would be able to share scientific and educational knowledge and practices; develop a curriculum and core knowledge set; and work on ways to develop academic partnerships on a global platform to support professional health training, especially in countries which are under-resourced, said the White House.

Climate change cannot be ignored anymore as a concern for the future generation, and all nations must work together towards this issue as none are immune to its effects. This is what the Paris talks on climate change are all about, it asserted.

“Today’s commitments reinforce not only how vast the impacts of climate change are, but also the opportunity to join together and address this problem,” it said.

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Skyscrapers May Have Made The Impact Of Hurricane Harvey Worse: Study

The scientists projected future warming and found future versions of the same storms would be significantly wetter and stronger.

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Hurricane
Floodwaters from Tropical Storm Harvey overflow from Buffalo Bayou in downtown Houston, Texas, VOA

Humans helped make recent devastating U.S. hurricanes wetter but in different ways, two new studies find.

Hurricane Harvey snagged on the skyscrapers of Houston, causing it to slow and dump more rain than it normally would, one study found. The city’s massive amounts of paving had an even bigger impact by reducing drainage. Land development in the metro area, on average, increased the chances of extreme flooding by 21 times, study authors said.

A second study looked at last year’s major Hurricanes Maria and Irma and 2005’s deadly Katrina and used computer simulations to see what would have happened if there had been no human-caused global warming. The study found that climate change significantly increased rainfall from those three storms, but did not boost their wind speed.

Both studies are in Wednesday’s journal Nature.

Hurricane, skyscraper
A smoky haze envelopes the skyscrapers and Rocky Mountains that usually can be seen as a backdrop to the city from a high-rise building, Aug. 20, 2018, in Denver. VOA

Houston was a literal drag on Harvey as it sloshed through, with the storm getting tripped up by the skyscrapers, said study co-author Gabriele Villarini, a civil and environmental engineering professor at the University of Iowa.

Co-author Gabe Vecchi, a climate scientist at Princeton University, said that forced the storm to move up higher, causing more concentrated rain over Houston and slowing, which also made more rain.

He compared it to a river running over rocks, creating bubbles.

“That’s sort of what’s going on here,” he said.

This effect is dwarfed, though, by the paving and building that don’t allow water to sink into the ground, Vecchi said.

Harvey’s record rainfall reached 5 feet in one spot near Houston. The scientists used computer simulations to see the effects of urbanization. In parts of the Houston metro area, the effects of development ranged from a 10 percent higher risk of extreme flooding in the less developed northwest to nearly 92 times the risk in the northeast, they reported.

Hurricane Florence, Lawmakers,
A work truck drives on Hwy 24 as the wind from Hurricane Florence blows palm trees in Swansboro N.C. VOA

That’s on top of the unique weather patterns that made Harvey slow down and stall and climate change which brought more water into the storm, Vecchi said.

MIT hurricane and climate expert Kerry Emanuel, who wasn’t part of the study, called the Harvey study “a real advance in our understanding of hurricane impacts on urban areas.”

But Texas state climatologist John Nielsen-Gammon wasn’t convinced. He said the team used generic shapes instead of the actual Houston skyline. He said the storm’s wind speeds may have slowed, but that’s different from the storm’s forward movement slowing.

The other study in Nature looked at a variety of historical damaging storms and tried to calculate past and future effects of climate change. In three cases, the scientists simulated the storms without the changes in the climate from greenhouse gases, showing that global warming increased rainfall 8.9 percent in Hurricane Maria , 6.3 percent in Hurricane Irma and 8.7 percent in Hurricane Katrina .

Maria hit Puerto and Rico and other parts of the Caribbean. Irma hit the Caribbean and Florida, while Katrina struck New Orleans and the Gulf Coast.

Climate Change, Hurricanes
Russ Lewis covers his eyes from a gust of wind and a blast of sand as Hurricane Florence approaches Myrtle Beach, S.C.. VOA

In Maria’s case, a warming climate concentrated heavier rain in the center of the storm and reduced it on the edges, said co-author Michael Wehner, a climate scientist at the Lawrence Berkeley National Laboratory.

For 15 storms, which included the devastating Typhoon Haiyan , the potent Gilbert and 1992’s Hurricane Andrew , the scientists projected future warming and found future versions of the same storms would be significantly wetter and stronger.

Also Read: Vietnam Does Its Part in Cleaning The Environment, Cleans Plastic

“We are beginning to see a climate change influence emerge on tropical cyclones and that’s coming out as rainfall,” said study lead author Christina Patricola, an atmospheric scientist at the national lab.

Although replicating a storm in a different climate is difficult and can’t account for certain changes, this work bolsters science understanding of how climate change alters hurricanes, Emanuel said. (VOA)