Category Archives: Safety

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Catastrophic Floods More Frequent in 2019

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Last week, after already experiencing heavy rainfalls and flooding, New Orleans was preparing for tropical storm Barry, expecting the storm to overflow or even breach the city’s levees. Flights in and out of the city were cancelled, as were concerts and other public events, as the city braced for catastrophe. Barry ended up narrowly missing New Orleans, and instead moved inland, drenching other parts of Louisiana and Mississippi and causing floods and mass power outages in those areas. It was yet another example of how major flooding has become a normal occurrence for many regions of the country, and by all indications, it is becoming worse each year.

The National Oceanic and Atmospheric Administration (NOAA) stated in its report 2017 State of U.S. High Tide Flooding and 2018 Outlook that “The projected increase in high tide flooding in 2018 may be as much as 60 percent higher across U.S. coastlines as compared to typical flooding about 20 years ago and 100% higher than 30 years ago.” This prediction turned out to be accurate, as the United States saw massive flooding throughout 2018, including “sunny-day” or “high-tide” flooding that occurs during high tides outside of hurricane events.

In its recent report on 2018 high-tide flooding and 2019 outlook, the NOAA said that these floods’ median frequency in 2018 “reached 5 days, which tied the historical record of 2015.” Of the 98 observed locations along the U.S. coastline, 12 reportedly broke or tied their all-time records for high-tide flooding in 2018. And now, the NOAA is predicting that 2019 could be even worse.

The NOAA noted that high-tide flooding “is increasingly common due to years of relative sea level increases. It no longer takes a strong storm or a hurricane to cause flooding in many coastal areas.” The Union of Concerned Scientists has said that sea level rise is accelerating, that “sea levels in the U.S. are rising fastest along the East Coast and Gulf of Mexico,” and that the primary reason for this sea level rise is climate change melting land ice and heating oceans.

According to the NOAA’s 2019 projections, it expects high-tide flooding along the U.S. coastlines this year to reach double the numbers from 2000. Additionally, “the Northeast Atlantic could see a 140% increase, the Southeast could see a 190% increase, and the Western Gulf of Mexico could see a 130% increase.”

Almost 40% of the U.S. population lives in coastal areas, and could be at risk from flooding effects. With the start of hurricane season, these dangers will only increase as storms batter the coasts. Even before Barry threatened, New Orleans faced massive flooding last week, while Pittsburgh contended with flash floods. And the week before, heavy rains left Washington, D.C. and surrounding towns swimming in water that overwhelmed the city’s storm water pipes.

These increasing floods mean serious losses for people, municipalities and businesses. The recent DC-area floods reportedly caused $3.5 million in damage to Arlington, Virginia county infrastructure alone. In March, a “bomb cyclone” hit Nebraska, with heavy rainfall causing damages totaling more than $1.3 billion. This figure includes $449 million in road, levee and other infrastructure damage, as well as serious damage to more than 2,000 homes and 340 businesses. Iowa also experienced flooding that caused water treatment plants to shut down, depriving two cities’ residents of fresh water. And across the Midwest, agriculture was also hit hard by flooding, slowing corn and soybean planting. The delay may decrease harvests by at least 8% and increase prices worldwide.

As Risk Management Monitor has previously reported, Texas A&M University at Galveston and the Texas General Land Office examined the 50-year impact of a major storm hitting Galveston Bay on the Texas coast near Houston, finding that major storm events that caused flooding would have huge secondary effects on the economy, both locally and nationally.

Various states, including those along the Mississippi River, have already enacted flood control measures like levees, dams and flood walls, but have seen this year’s increased flooding defeat these measures. Others have encouraged residents to purchase flood insurance to offset losses. But the increasing scope of future floods may mean that these steps are not enough. Though tropical storm Barry missed New Orleans, experts have still expressed concern about coming storms possibly “topping” the city’s levees, which could cause even more damage to the already-flooded city.

Insulin Pumps Recalled After Hacking Vulnerability Revealed

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After the U.S. Food and Drug Administration (FDA) expressed concern this week that some of its internet-connected insulin pumps are vulnerable to hacking and could not be patched, medical device manufacturer Medtronic Plc has announced that they would offer an exchange for the 4,000 patients who are reportedly using the vulnerable devices. If patients are using vulnerable out-of-warranty models, Medtronic is offering a newer replacement at a discounted price, and in-warranty models will be replaced free of charge.

The Medtronic insulin pumps in question work by regularly providing insulin to the patient with the help of a continuous glucose monitor (CGM), which uses Bluetooth to connect to a computer via a CareLink USB device. This system allows patients to remotely send the device commands and share data with their health care providers. These devices are part of an industry-wide push to connect medical devices to the internet (as part of the wider internet of things, or IoT) to allow more efficient and cost-effective communication between patients and providers.

While the exact nature of the insulin pump vulnerability is unclear at this time—neither the FDA nor Medtronic has disclosed any technical details—the danger from someone exploiting the vulnerability is very serious and could be potentially fatal. According to the FDA, “an unauthorized person (someone other than a patient, patient caregiver, or health care provider) could potentially connect wirelessly to a nearby MiniMed insulin pump with cybersecurity vulnerabilities. This person could change the pump’s settings to either over-deliver insulin to a patient, leading to low blood sugar (hypoglycemia), or stop insulin delivery, leading to high blood sugar and diabetic ketoacidosis.” In a letter to patients using one of the vulnerable pumps, Medtronic confirmed the potential danger, saying that “An unauthorized person with special technical skills and equipment could potentially connect wirelessly to a nearby insulin pump to change settings and control insulin delivery.”

Fortunately, there have not been any reported cases of anyone exploiting the vulnerability, but it is not the case of such an issue affecting these devices. In 2011, a security researcher was able to hijack nearby Medtronic insulin pumps, giving him the ability to deliver potentially fatal doses of insulin to patients within 300 feet. After the vulnerability was revealed, Medtronic released a statement saying that it was working to improve their devices’ security.

This March, it was also revealed that Medtronic’s connected pacemakers, clinic programmers and home monitors were also vulnerable to hacking. In that case, Dutch security researchers discovered the security flaws, which the company reportedly initially denied before the FDA began an investigation. The agency later issued a warning about the pacemakers, and Medtronic released a patch for the software. As with the insulin pumps, there were no reported cases of anyone taking advantage of the security flaw before the fix was implemented.

Speaking to CBS News after the March incident, the FDA’s Dr. Suzanne Schwartz said, “Any device can be hacked and that’s often not understood,” adding that companies are not prepared for this reality and that “we still have a ways to go.” This week, the FDA released a set of recommendations regarding the latest insulin pump vulnerability, including a suggestion to patients: “Talk to your health care provider about a prescription to switch to a model with more cybersecurity protection.”

Such cases highlight the continuing potential risks of internet-connected medical devices. As discussed in the recent Risk Management article “Diagnosis: Risk—The Product Liability Challenges of Diagnostic Health Tech,” cyber vulnerability is only one of the many challenges for manufacturers and users of connected medical devices. These devices—especially ones that provide medical diagnostic data—have scores of built-in product liabilities that could land their manufacturers (as well as any number of other companies in the devices’ chain of distribution) in legal trouble if something goes awry.

Global Heat Waves Signal Climate Risks

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India is currently suffering under a heat wave that has lasted over a month, with temperatures reaching a record 118 degrees Fahrenheit (48 degrees Celsius) in New Delhi on June 10 and 122 degrees (50 degrees Celsius) in the western city of Churu. The death toll has been estimated to be at least 36, though some sources put the number at more than 150. Europe is also preparing for its own massive heat wave this week, with temperatures expected to be 36 degrees Fahrenheit (20 degrees Celsius) higher than the seasonal average of 72 degrees (22 degrees Celsius).

This pattern of heat waves has become a yearly occurrence across the globe. Europe faced similar heat last year, as did Asia, with Japan experiencing record-breaking temperatures in 2018, which sent more than 71,000 to hospitals, killing 138. North America also saw extended higher temperatures in 2018, with 41 heat records across the United States, and heat-related deaths overwhelming Montreal’s city morgue.

Experts say that these global record-breaking incidents are the result of climate change, and likely forecast a new normal of dangerous summer heat.

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According to Stefan Rahmstorf, co-chair of Earth System Analysis at the Potsdam Institute for Climate Research (PIK), “Monthly heat records all over the globe occur five times as often today as they would in a stable climate. This increase in heat extremes is just as predicted by climate science as a consequence of global warming caused by the increasing greenhouse gases from burning coal, oil and gas.

” French national meteorological service Météo-France echoed these concerns, saying that heat waves’ frequency “is expected to double by 2050.” And according to a 2017 study from The Lancet Planetary Health journal, the number of deaths resulting from weather-related disasters could skyrocket in the future, killing as many as 152,000 people each year between 2071 and 2100, more than 50 times greater than the average annual deaths from 1980 to 2010.

As Risk Management has previously reported, these changes are also already impacting business operations globally, with direct economic losses from climate-related disasters (including heat waves) increased 151% from 1998 to 2017, according to the United Nations Office for Disaster Risk Reduction. Heat waves have serious effects on business operations, impacting things like road conditions and agriculture, as well as workers’ health and safety. More than 15 million U.S. workers have jobs requiring time outdoors, and according to the World Bank, even for indoor workers, productivity declines by 2% per degree Celsius above room temperature.

Many countries have taken steps to mitigate the effects of heat waves on their populations. For example, since 2016, India has been providing shelter for homeless people, opening water stations for hydration, cutting building heat absorption by painting roofs white and imposing working hour changes, curfews and restrictions on outdoor activities. These efforts have successfully reduced heat-related deaths from more than 2,400 in 2015 to 250 in 2017.

The U.S. Environmental Protection Agency (EPA) recommends similar steps to the ones India is taking, as well as ensuring that energy and water systems are properly functioning, establishing hotlines for reporting cases of high-risk individuals and encouraging energy conservation to reduce the chances of overwhelming electric systems. The U.S. Occupational Safety and Health Administration (OSHA) recommends that employers and workers facing higher temperatures in the workplace pay close attention for the signs of heat stroke, and keep three words in mind: water, rest and shade.

While these on-the-ground measures can reduce the immediate effects on workers and vulnerable populations like the elderly, children and the homeless, PIK’s Rahmstorf warns that “Only rapidly reducing fossil fuel use and hence CO2 emissions can prevent a disastrous further increase of weather extremes linked to global heating.”