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Natural gas prices, not “war on coal,” key to coal power decline
New research finds that steep declines in the use of coal for power generation over the past decade were caused largely by less expensive natural gas and the availability of wind energy – not by environmental regulations. “From 2008 to 2013, coal dropped from about 50 percent of U.S. power generation to around 30 percent,” says one researcher, adding that “the changes in coal power production were actually driven largely by capitalism.”
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Critical industrial software flaws left U.S. infrastructure vulnerable to hackers
Tenable Research, a Maryland-based cybersecurity firm, has discovered vulnerabilities in two applications widely used by manufacturers and power plant operators. These vulnerabilitiers may have given hackers a foothold in U.S. critical infrastructureg.
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EU supports Africa single digital market
The EU said it was committed to helping Africa build a single digital market so the continent could enjoy the transformative power of e-commerce, as is the case in like Europe. The EU said that assuring affordable broadband connectivity, improving digital literacy and skills, promoting digital entrepreneurship, and using digitalization would be an enabler of sustainable development by deploying e-government, e-commerce, e-health, e-education, and e-agriculture in Africa.
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South Florida mangroves are on a death march, marking a new era for Earth
The problem is so clear, it might be the first real sign Earth has entered a new geological era. Using a combination of aerial photographs from the 1930s, modern satellite imagery and ground sediment samples, tracked the mangroves’ westward retreat from the coastal Everglades. Now, their backs are to the wall – literally.
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As drought returns, experts say Texas cities aren't conserving enough water
Three years after one of the worst droughts in Wichita Falls history, life is returning to normal. But as Texas creeps back into a drought, water experts say residents in the city and around the state can do more to conserve water and prepare for the next shortage, which is always on the horizon.
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Seismic early warning could save lives in Nepal’s next Big One
Just before noon on 25 April 2015, a magnitude 7.8 earthquake that maxed out the seismic intensity scale shook the entire nation of Nepal. Originating about 100 km northwest of the capital city of Kathmandu, this earthquake along with a magnitude 7.1 aftershock on 12 May killed nearly 9,000 people and injured nearly 22,000 more while damaging or destroying more than 600,000 structures. Scientists say that if sensors had been near the epicenter of the 2015 earthquake, they could have detected it up to 80 seconds before it reached Kathmandu. Even factoring in the time it would take to corroborate the signal with other sensors and transmit a warning to everyone’s cell phones—which are just as abundant in Nepal as they are in America—people could have gotten more than a minute warning.
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New algorithm could add more life to bridges
Many authorities and organizations use structural health monitoring systems to keep track of the health of bridges, along with the weight of the traffic that it withstands on a day-to-day basis. A new algorithm developed could help structural engineers better monitor the health of bridges and alert them to when they need repair faster.
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Many low-lying atoll islands uninhabitable by mid-21st century
Sea-level rise and wave-driven flooding will negatively impact freshwater resources on many low-lying atoll islands in such a way that many could be uninhabitable in just a few decades. Scientists found that such flooding not only will impact terrestrial infrastructure and habitats, but, more importantly, it will also make the limited freshwater resources non-potable and, therefore, directly threaten the sustainability of human populations.
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Resilience vs. retreat in the face of climate change
More than 250 million people will be displaced by climate change by 2050. No nation will be able to escape the consequences of climate change, but Small Island Developing States (SIDS)—such as the Maldives, the Marshall Islands, and the Bahamas—will be some of the hardest hit. “Retreat” is a word that frequently comes up in this context: the idea being that people will need to move out of the lands that are most at risk.
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Gaza now has a toxic ‘biosphere of war’ that no one can escape
The water of Gaza highlights a toxic situation that is spiraling out of control. A combination of repeated Israeli attacks and the sealing of its borders by Israel and Egypt, have left the territory unable to process its water or waste. Every drop of water swallowed in Gaza, like every toilet flushed or antibiotic imbibed, returns to the environment in a degraded state. The result is what has been termed a toxic ecology or “biosphere of war,” of which the noxious water cycle is just one part. People may evade bombs or sniper fire, but there is no escape from the biosphere.
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Exploring Arctic clues to secure future
The Arctic is undergoing rapid change, with sea ice melting and temperatures rising at a faster pace than anywhere else in the world. Its changing environment affects global security, politics, the economy and the climate. Understanding these changes is crucial for shaping and safeguarding U.S. security in the future, Sandia scientists say.
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East U.S. vs. West Coast earthquakes
Why was an earthquake in Virginia felt at more than twice the distance than a similar-sized earthquake in California? The answer is one that many people may not realize. Earthquakes east of the Rocky Mountains can cause noticeable ground shaking at much farther distances than comparably-sized earthquakes in the West.
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Next California's Big One could kill hundreds, cause $100 billion in losses, trap 20,000 in elevators
What will happen when the next big earthquake hits northern California? Researchers say that if a tremor similar in magnitude to the 1906 San Francisco earthquake were to hit today, it could kill 800 people, cause more than $100 billion in economic losses from the shaking and subsequent fires, and trap roughly 20,000 people in elevators across northern California.
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Pipe-crawling robot to help decommission nuclear facility
A pair of autonomous robots will soon drive through miles of pipes at the U.S. Department of Energy’s former uranium enrichment plant in Piketon, Ohio, to identify uranium deposits on pipe walls. Shuttered since 2000, the plant began operations in 1954 and produced enriched uranium, including weapons-grade uranium. With 10.6 million square feet of floor space, it is DOE’s largest facility under roof — the size of 158 football fields, with 75 miles of process pipe.
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The HayWired scenario: a major earthquake in the San Francisco Bay area
Last week the USGS, along with approximately sixty partners, released a new fact sheet that summarizes a report from a larger study of what could happen during a major earthquake in the San Francisco Bay area along the Hayward Fault – arguably one of the most urbanized and interconnected areas in the nation. Earthquakes pose a threat to the safety of more than 143 million people living in the United States, and estimated long-term annualized earthquake losses in the United States are more than $6.1 billion per year.
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More headlines
The long view
Helping Strengthen America’s Critical Infrastructure
Everyday life depends on a robust infrastructure network that provides access to running water, communications technology and electricity, among other basic necessities. The experts who keep our national infrastructure secure and resilient also need a strong network to share their knowledge and train the next generation of professionals capable of solving complex infrastructure challenges.
AI and the Future of the U.S. Electric Grid
Despite its age, the U.S. electric grid remains one of the great workhorses of modern life. Whether it can maintain that performance over the next few years may determine how well the U.S. competes in an AI-driven world.
Using Liquid Air for Grid-Scale Energy Storage
New research finds liquid air energy storage could be the lowest-cost option for ensuring a continuous power supply on a future grid dominated by carbon-free but intermittent sources of electricity.
Enhanced Geothermal Systems: A Promising Source of Round-the-Clock Energy
With its capacity to provide 24/7 power, many are warming up to the prospect of geothermal energy. Scientists are currently working to advance human-made reservoirs in Earth’s deep subsurface to stimulate the activity that exists within natural geothermal systems.
Experts Discuss Geothermal Potential
Geothermal energy harnesses the heat from within Earth—the term comes from the Greek words geo (earth) and therme (heat). It is an energy source that has the potential to power all our energy needs for billions of years.