• Artificial levees on Mississippi River dramatically increased extreme floods

    A new study has revealed for the first time the last 500-year flood history of the Mississippi River. It shows a dramatic rise in the size and frequency of extreme floods in the past century—mostly due to projects to straighten, channelize, and bound the river with artificial levees. The new research also uncovered a clear pattern over the centuries linking flooding on the Mississippi with natural fluctuations of Pacific and Atlantic Ocean water temperatures.

  • Nuclear waste may soon be a thing of the past

    During the Cold War, the U.S. Department of Energy produced tons of nuclear material for the development of the nation’s nuclear weapons stockpile. Today, the United States is awash in radioactive material from weapons production and some from nuclear power plants that could take 100,000 years to go away. A recent FIU chemistry graduate might help researchers unlock the secrets to make nuclear waste safer.

  • Flood risk denial in U.S. coastal communities

    Rising sea levels have worsened the destruction that routine tidal flooding causes in the nation’s coastal communities. On the U.S. mainland, communities in Louisiana, Florida and Maryland are most at risk. Stemming the loss of life and property is a complex problem. Elected officials can enact policies to try to lessen the damage of future flooding. Engineers can retrofit vulnerable buildings. But, in the face of a rising tide, changing hearts and minds might be the most formidable obstacle to decreasing the damage done by flooding.

  • Russian ships scouting key communication cables

    Russia has not only attacked the infrastructure of American democracy, but has also engaged in what the U.S. government describes as a pervasive, wide-ranging cyber-assault on U.S. energy grid and other key components of the U.S. critical infrastructure. These attacks included leaving “sleeper” malware in key infrastructure nodes, which would allow Russia – remotely, and at the time of its choosing — to turn off power stations, open dam gates, shutdown water treatment facilities, and more. Western intelligence services have spotted Russian ships lurking around critical underwater communications cables, causing concern the Kremlin is doing reconnaissance in preparation for possible future retaliatory action.

  • U.K.'s best cyber defenders compete for chance to take on the U.S. cyber best

    Inter-ACE, now in its third year, was established to help resolve the vast and growing cyber security skills gap, with an estimated shortfall of 1.8 million workers worldwide by 2022. More than 130 students representing eighteen of the U.K.’s top cybersecurity universities battled it out at the Inter-ACE 2018 cybersecurity challenge, hosted by the University of Cambridge. The competition, supported by GCHQ’s National Cyber Security Center, and designed to attract the next generation of cybersecurity talent.

  • Remotely monitoring nuclear reactors

    A new U.S. Department of Energy project to develop the first detector able to remotely monitor nuclear reactors will also help physicists test the next generation of neutrino observatories. Nuclear reactions produce telltale antineutrinos – the antimatter counterpart of neutrinos. The new detectors will be designed to measure the energy of such antineutrinos and the direction from which they come, allowing monitoring of reactors from a distance of 25 kilometers to verify nonproliferation agreements.

  • Efficient extraction may improve management of nuclear fuel

    After used nuclear fuel is removed from a reactor, it emits heat for decades and remains radioactive for thousands of years. The used fuel is a mixture of major actinides (uranium, plutonium), fission products (mainly assorted metals, including lanthanides) and minor actinides (i.e., americium, curium and neptunium). After the cesium-137 and strontium-90 fission products decay in a few hundred years, the minor actinides and plutonium generate the most heat and radioactivity. Removal of the minor actinides, especially americium, can help nuclear power producers reduce and better manage the waste stream.

  • Water crisis spurring protests in Iran

    A lack of water has been spurring protests in Iran against the regime since the beginning of the year, Reuters reported Thursday. The water crisis have taken place mostly in Isfahan, located in central Iran, and, the Khuzestan province in the west, which is largely inhabited by non-Persian Arabs who call the region Ahwaz.

  • Modeling cyber insurance could protect the power grid

    The failure of even parts of the U.S. power grid could cause rolling blackouts that paralyze health care, traffic and business systems. With the advent of “smart” infrastructures that send data to the internet, cybersecurity is becoming a prime concern of public officials. Researchers are aiming to help utility companies prepare for that risk by making it easier for insurance companies to cover it.

  • In field tests, device harvests water from desert air

    It seems like getting something for nothing, but you really can get drinkable water right out of the driest of desert air. Even in the most arid places on Earth, there is some moisture in the air, and a practical way to extract that moisture could be a key to survival in such bone-dry locations. Now, researchers at MIT have proved that such an extraction system can work.

  • Climate-proofing to meet increased frequency, intensity of extreme weather events

    Man-made climate change has been proven to have increased recent extreme rainfall and associated floods; coastal flooding due to sea-level rise; heatwaves in Australia, China, and Europe; and increased risks of wildfires with implications for humans and animals, the environment, and the economy. Climate proofing can help to limit these impacts.

  • Geoengineering polar glaciers to slow sea-level rise

    Targeted geoengineering to preserve continental ice sheets deserves serious research and investment, argues an international team of researchers. Without intervention, by 2100 most large coastal cities will face sea levels that are more than three feet higher than they are currently.

  • We need laws on geoengineering, and soon

    Humans have been accidentally altering the planet’s climate for thousands of years. Soon, it may be possible alter it intentionally. The deliberate, large-scale manipulation of climate is called geoengineering. The term encompasses a variety of proposals, from pulling carbon dioxide out of the atmosphere to reflecting sunlight back into space in an attempt to slow the earth’s warming. Global geoengineering tactics haven’t yet been deployed, but as climate change starts to spin out of control, support for some forms of geoengineering seems to be growing.

  • Large swath of West Texas oil patch is heaving and sinking at alarming rates

    Two giant sinkholes near Wink, Texas, may just be the tip of the iceberg, according to a new study that found alarming rates of new ground movement extending far beyond the infamous sinkholes. Analysis indicates decades of oil production activity have destabilized localities in an area of about 4,000 square miles populated by small towns, roadways and a vast network of oil and gas pipelines and storage tanks.

  • The effects of climate change on California watersheds

    California relies on the Sierra Nevada snowpack for a significant portion of its water needs, yet scientists understand very little about how future changes in snowpack volume and timing will influence surface water and groundwater. Now researchers are developing an advanced hydrologic model to study how climate change might affect California watersheds.