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Tag: Global

Arctic voyage finds global warming impact on ice, animals

Arctic voyage finds global warming impact on ice, animals

Technology
The email arrived in mid-June, seeking to explode any notion that global warming might turn our Arctic expedition into a summer cruise. "The most important piece of clothing to pack is good, sturdy and warm boots. There is going to be snow and ice on the deck of the icebreaker," it read. "Quality boots are key." The Associated Press was joining international researchers on a month-long, 10,000 kilometer (6,200-mile) journey to document the impact of climate change on the forbidding ice and frigid waters of the Far North. But once the ship entered the fabled Northwest Passage between the Atlantic and the Pacific, there would be nowhere to stop for supplies, no port to shelter in and no help for hundreds of miles if things went wrong. A change in the weather might cause the mercury to drop ...
Global markets slip amid North Korea tension

Global markets slip amid North Korea tension

Business
US stocks joined the downward trend after investors were left rattled by President Donald Trump's "fire and fury" warning to North Korea.Mr Trump's words came overnight on Tuesday, UK time, in an escalation of tensions between the two countries.The Dow ended a nine-day streak of closing records, falling by 0.24%, while the Nasdaq fell by just under half a percent and the S&P was down by 0.21%.JJ Kinahan, chief strategist at TD Ameritrade, said geopolitics had "splashed cold water on the markets".He added: "There's uncertainty and caution as investors nervously eye the next foreign policy moves.":: N Korea risks 'destruction' - US defence chiefIn the UK, the FTSE 100 closed down 0.59%, or 44.67 points, at 7498, broadly in line with negative trends in European markets.The pan-European ST...
Scientists consider 'cloud brightening' to slow global warming

Scientists consider 'cloud brightening' to slow global warming

Science
July 25 (UPI) -- Scientists at the University of Washington are considering the prospects of a controversial climate change solution called "marine cloud brightening."Most agree the best solution to climate change is the curbing of carbon emissions -- by reducing the burning of fossil fuels, as well as increasing the adoption of renewable energy sources.But if efforts to curb emissions fall short or prove insufficient, emergency solutions may be necessary to avoid the most catastrophic consequences of global warming. Enter marine cloud brightening, a climate engineering solution.Clouds form when water droplets condense on particles in the air and coalesce in the atmosphere. Higher concentrations of particulates allow smaller water droplets to form clouds, yielding bigger, whiter clouds tha...
Global warming, rising seas may encourage parasites

Global warming, rising seas may encourage parasites

Science
July 20 (UPI) -- A study of ancient clam fossils suggests rising seas could once again encourage parasite infestations in brackish water ecosystems.Trematodes, commonly known as flukes, infect mollusks, usually snails, and make their way into the insides of vertebrates who consume infected mollusks. They can cause disease in humans, and blood fluke infections kill an estimated 200,000 people every year.The bodies of the parasitic flatworms don't fossilize, but their presence can be found on the surface of fossil clam shells. Clams form tiny crater-like deposits on their shells at the site of the attempted trematode infestation. The defense mechanism serves as a barometer of the prevalence of the parasite.Recently, researchers analyzed dozens of clam fossils excavated in sediment cores dril...
Afghan team among medal winners at global robotics event

Afghan team among medal winners at global robotics event

Technology
An international robotics competition in Washington attracted teams of teenagers from more than 150 nations. The team that drew the most attention at the FIRST Global Challenge, which ended Tuesday, was a squad of girls from Afghanistan who were twice rejected for U.S. visas before President Donald Trump intervened. But there were even more stories than there were teams. Here are a few: ——— RESULTS: Teams left with gold, silver and bronze medals in a variety of categories. The Europe team won a gold award for getting the most cumulative points over the course of the competition. Poland got silver and Armenia bronze. Finland won a gold award for winning the best win-loss record. Silver went to Singapore and bronze to India. There were also awards for engineering design, innovation and inte