Josephine Edery’s Case Study on the El Paso Walmart Shooting

People hold their phones with flashlights up in the air as a woman holds a sign that says "NO MORE GUNS."

On August 3, 2019, 21-year-old Patrick Crusius entered a Walmart in El Paso, Texas, carrying an AR-47-style semi-automatic rifle. He killed 23 and injured 22 civilians in what is considered the deadliest attack on Hispanic people in modern U.S. history. Crusius has since pleaded guilty and is serving 90 consecutive life sentences.

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Kelsee Katsanes’ Case Study on the Sandy Hook Elementary Shooting

Young people holding up signs that say "LOVE YOUR KIDS NOT YOUR GUNS" and "ENOUGH IS ENOUGH."

On December 14, 2012, 20-year-old Adam Lanza entered Sandy Hook Elementary School in Newtown, Connecticut. He killed 20 children and seven adults, including his mother, before taking his own life. The event sparked several debates on gun control, mental health, and initiatives to improve school safety.

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Samantha Whitegeese’s Case Study on 1993 Four Corners Hantavirus Outbreak

Deer mice.

In 1993, the Southwestern region of the Four Corners, where the borders of New Mexico, Arizona, Colorado, and Utah meet, had nearly 30 cases of acute hantavirus pulmonary syndrome (HPS) and 16 deaths from Sin Nombre Virus (SNV), caused by deer mice. As the region overlaps with the Navajo Nation, the Navajo people faced public shame for the rise in the disease, and were blamed for its consequences. 

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Tropical Cyclones Indirectly Trigger Deaths for Years, Study Says

Tropical Cyclone.

Tropical cyclones indirectly cause long-term effects on mortality for years beyond the initial event, according to a new study published in the journal Nature. The study, published on October 2, is particularly relevant in the wake of Hurricane Helene and Hurricane Milton, which hit the Southeastern U.S. in September and October, respectively. 

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Climate Change Drives Unparalleled Superfloods in Europe

Floods in Europe

In early September, disastrous floods in Europe killed 24 and affected millions, causing economic damage worth $2 to 3 billion. The unparalleled storm, known as Storm Boris, brought five times the monthly average rainfall onto Central European countries, leading to four missing people and the isolation of several villages. The impacts of climate change exacerbated the intensity of the storm, providing a bleak glimpse of its effects on the planet’s fastest-warming continent. 

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How Access to Online Information Reshaped COVID-19 Preparedness

Person wearing mask, on phone.

As the COVID-19 pandemic progressed, the internet emerged as a primary source of information, allowing people to become aware of the virus and how to prepare effectively. One study found information accessed during the COVID-19 pandemic changed the preparedness of Chinese netizens—active internet users—regarding the virus. According to the study, variable access to information influences how people perceive disastrous events, shaping their views on susceptibility and severity.

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Ishita Nair’s Case Study on the Bhopal Gas Tragedy

Bhopal, India.

In 1984, a methyl isocyanate leak from a local pesticide plant killed thousands of people in Bhopal, India, known as the Bhopal Gas Tragedy. The event had significantly adverse impacts on vulnerable populations, leading to 15-20,000 premature deaths and reports of ocular, respiratory, gastrointestinal, psychological, and neurobehavioral effects. 

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