South Africa declares national disaster amid water crisis

February 14, 2018 by  
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South Africa’s has declared a national disaster over the country’s devastating drought . Although Cape Town has pushed back day zero – the day that the city runs out of water – until June 4, the country re-assessed the magnitude of the drought and determined that it has reached disaster proportions. Embed from Getty Images window.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:’gQyO9-pJQGFviQfJxV_bFA’,sig:’ZFbITQcOBf5-Gis86VmKk0R1VwsYtyop1Ko3KaFtFK4=’,w:’594px’,h:’396px’,items:’917662626′,caption: true ,tld:’com’,is360: false })}); A drought triggered by El Nino and driven by climate change has ravaged parts of the country, with the city of Cape Town, home to over 4 million, facing a water shortage that will require residents to line up to obtain water rations. Related: Cape Town’s water pipes could run dry by April Water consumption in South Africa has declined by about 139 million gallons per day thanks to residents who have worked hard to reduce usage. Residents are asked to use just 13 gallons of water a day. The hospitality industry has also gotten into the fight by asking hotel guests to keep showers under 2 minutes, and restaurants have stopped using linens and glassware to help reduce laundry needs. Embed from Getty Images window.gie=window.gie||function(c){(gie.q=gie.q||[]).push(c)};gie(function(){gie.widgets.load({id:’rTDF3ifzRwdZBuD23l-WlQ’,sig:’DZkRSoj0MiowFTKTU535y179iz34k_oHqiagdJUDbLc=’,w:’594px’,h:’396px’,items:’917662584′,caption: true ,tld:’com’,is360: false })}); Even still, on June 4, residents will need to line up at military-guarded locations to obtain water rations. There are also fears that the ongoing drought could harm the country’s industrial and agricultural output. Declaring the situation a national disaster allows the central government to take over relief efforts, which also means more money is available to address it. Via Reuters Images via Deposit Photos ( 1 , 2 )

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South Africa declares national disaster amid water crisis

New research reveals that sea levels could rise 1.5 inches every year

February 13, 2018 by  
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You know how we’ve been freaking out about how quickly global warming is causing ice to melt and sea levels to rise? Turns out, we weren’t panicking nearly enough. New satellite data shows that sea levels will continue to rise at a pace that is much faster than anyone predicted – at least 1.5 inches PER YEAR. The Proceedings of the National Academy of Sciences analyzed 25 years of satellite data from across the planet to determine how far sea levels have risen, and how much more they may rise in the near future. According to their findings, in the past 25 years, sea levels have risen nearly 3 inches. At the current rate of acceleration, sea levels will be 2 feet higher by 2100. Related: New study shows a 1-in-20 chance climate change will cause a complete societal collapse The rise is being caused by warming oceans and melting glaciers and ice sheets. The recent acceleration, according to the study, is the result of melting ice sheets in Greenland and Antarctica. The predicted sea level rise of 2 feet by century’s end may not be catastrophic for wealthier countries, but it will be devastating for those without the money to deal with impacts of global warming . Via Outer Places and CBS Images via Deposit Photos ( 1 , 2 )

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New research reveals that sea levels could rise 1.5 inches every year

Meet your gadget’s next power supply: you

February 13, 2018 by  
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No power outlet? No problem. Juicing up your gadgets may soon be as easy as lifting your finger. Scientists from the University at Buffalo and the Institute of Semiconductors at the Chinese Academy of Sciences have developed a tiny metallic tab, known as a a triboelectric nanogenerator, that can generate electricity from simple bodily movements,” said Qiaoqiang Gan, associate professor of electrical engineering in the University of Buffalo’s School of Engineering and Applied Sciences. “No one likes being tethered to a power outlet or lugging around a portable charger. The human body is an abundant source of energy. We thought: ‘Why not harness it to produce our own power?’” Triboelectric charging, also known as the triboelectric effect, occurs when certain materials become electrically charged after rubbing against a different material. Most everyday static electricity, for instance, is triboelectricity, Gan said. As described in a study that was published online January 31 in the journal Nano Energy , the 1.5-by-1-centimeter tab comprises two thin layers of gold separated by a sliver of polydimethylsiloxane, the same silicon-based polymer found in contact lenses and Silly Putty. Stretching the layers of gold sparks friction with the PDMS. Relatd: 6 human-powered gadgets to improve your life “This causes electrons to flow back and forth between the gold layers. The more friction, the greater the amount of power is produced,” said Yun Xu, professor of IoP at CAS, one of the study’s authors. So far, researchers have been able to deliver a maximum voltage of 124 volts, a maximum current of 10 microamps and a maximum power density of 0.22 millwatts per square centimeter—not enough to charge a smartphone just yet, but a promising start nonetheless. Because the tab is easy to fabricate in a cost-effective way, Gan and his team plan to experiment with larger pieces of gold to generate more electricity. The scientists are also working on developing a portable battery to store energy produced by the tab. Their eventual goal? To create a power source for a raft of wearable self-powered electronic devices, Gan said. + University at Buffalo Lead photo by Unsplash

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Meet your gadget’s next power supply: you

Tesla is selling its solar products in Home Depot stores starting in July

February 2, 2018 by  
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Getting your hands on a Tesla Powerwall is a bit more challenging than simply running to the local hardware store – but that’s about to change. Tesla just announced that it will sell its solar products at Home Depot . Solar panels ? Check. Powerwalls ? You bet. Even Solar Roofs? You got it. It’s all happening in 800 stores by July of this year. Home Depot has 2,200 stores across the US, which can help Tesla go a long way towards reaching new customers. In July, 800 of these stores will have Tesla kiosks, staffed by Tesla employees, with interactive demonstrations, information and purchasing capabilities. Related: Tesla’s new Solar Roof is actually cheaper than a normal roof The move is smart for several reasons. First, when Tesla bought SolarCity , it was going door-to-door to move its products. This was expensive. Additionally, Tesla has advertised its products in Tesla showrooms, but that targets a specific customer with relatively few locations. Initial reports say that the kiosks will be limited to selling solar panels and Powerwalls, with the Solar Roof coming as production ramps up. It’s all part of Elon Musk’s plan to make adding solar to a home an easy and seamless process. + Tesla Via Clean Technica Images via Deposit Photos and Tesla

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Tesla is selling its solar products in Home Depot stores starting in July

The Nuclear Doomsday Clock is as close to midnight as it has ever been

January 25, 2018 by  
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Today, the world is the closest it has ever been to doomsday since since the nuclear arms race of the ’50s. Scientists and researchers moved the Doomsday clock – an indicator for how close humanity is to nuclear annihilation – to 2 minutes to midnight today. Researchers at the Bulletin of Atomic Scientists cited the threat between North Korea and the United States, facilitated by President Trump’s harmful rhetoric, as the main reason for the shift. The closest we have ever been to midnight was in 1953, during the height of the nuclear arms race between the US and the USSR – when it was also 2 minutes to midnight. Last year, the clock ticked to 2.5 minutes to midnight, from an all-time distance of 17 minutes to midnight in 1991. Related: Several scientists predict the apocalypse will occur uncomfortably soon According to concerned scientists, the rhetoric between the leaders of the US and North Korea has gone a long way towards threatening all of humanity. But the US withdrawal from the Paris agreement and denigrating the nuclear deal with Iran has also contributed to the problem. “Divorcing public policy from empirical reality endangers us all. What we need is evidence-based policy making, not policy-based evidence making,” said theoretical physicist Lawrence Krauss. Bulletin of Atomic Scientists Via CNN Images via Deposit Photos and Bulletin of Atomic Scientists

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The Nuclear Doomsday Clock is as close to midnight as it has ever been

Abundant solar threatens fossil fuel companies in Texas to the tune of $1.4 billion

January 19, 2018 by  
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In Texas, demand for power peaks in the summer, which also happens to be when solar power is at its most productive. With the state slated to add up to 15 gigawatts of solar in the next few years, it spells big trouble for companies peddling fossil fuels – a $1.4 billion problem. Hear that tapping sound? It’s another nail being hammered in the coffin for fossil fuels . The state’s solar boom could wipe out $2.76 per megawatt hour (wholesale) during the summer from fossil fuels, according to Bloomberg . Since gas and coal power generators rely on high summer prices to counteract the winter dip in demand, solar’s proliferation is a double-whammy threat to the industry. Related: Tesla’s new Solar Roof is actually cheaper than a normal roof Texas isn’t the only state to face this “problem.” California’s fossil fuel prices regularly dip into the negative during summer hours. The good news for fossil fuels is that this shift won’t happen right away. Texas will likely only have 1.8 gigawatts of solar power within the next two years. Via Bloomberg Images via Deposit Photos ( 1 , 2 )

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Abundant solar threatens fossil fuel companies in Texas to the tune of $1.4 billion

Dubai is building 500km of new bicycle lanes

August 30, 2017 by  
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The streets of Dubai are about to get greener, after Sheikh Mohammed bin Rashid approved construction of 500km of bike lanes by 2021. The Vice President, Prime Minister and Ruler of Dubai also approved walking paths along Dubai Creek, additional metro stations and dedicated bus lanes, all in the hopes of encouraging exercise, improving transportation and helping reduce car dependence. Dubai has struggled with air pollution as it has expanded, and helped contribute to the United Arab Emirates ranking as the most polluted nation in the world in 2015. Improving that air quality is going to require a multi-pronged approach. The city has already approved a huge, pedestrian-friendly urban green space , wind-powered skyscrapers and the third largest solar park in the world.  ???: ???? ?? ???? ????? ???? ?????? ?????? "??? ???????? ???" https://t.co/QEuGdlGgJF #??? pic.twitter.com/e4E7uZKKoS — Dubai Media Office (@DXBMediaOffice) August 29, 2017 Related: Dubai’s crazy rotating wind-powered skyscraper is actually being built Most of the approved new projects are related to Expo 2020, with construction to begin next year in time for the Expo. The plan includes adding 5 new metro stations, which can accommodate an additional 650,000 passengers a day, along with upgrading many existing roads. Bus lanes will help improve mass transit, while bike lanes will cross the city, encouraging people to ride bikes rather than drive cars. Some of the improvements aren’t so green, however, including doubling the capacity of Dubai-Al Ain Road and paving new roads, which will help facilitate transportation, but won’t help Dubai’s pollution problems. via The National images via Deposit Photos  and Pixabay

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Dubai is building 500km of new bicycle lanes

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