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Hazards of outdoor recreation

  • LightningA bolt of cloud-to-ground lightning strikes the Mediterranean Sea off of Port-la-Nouvelle in southern France. This specific event illustrates one of three…
  • MalnutritionIn 2017, nearly one in three people globally suffered from at least one form of malnutrition. This condition encompasses both undernutrition and…
  • BlizzardThe word blizzard first appeared in weather reports during the harsh winter of 1880, 1881. Before that date, people used terms like violent blow or blast to…
  • LandslideA landslide near Cusco, Peru, in 2018 illustrates the raw power of ground movement. These events, also known as landslips or rockslides, encompass a wide…
  • FogFog is a visible aerosol consisting of tiny water droplets or ice crystals held in the air near the Earth's surface. It forms when water vapor condenses into…
  • TornadoA tornado is a rapidly rotating column of air that extends vertically from the Earth's surface to the base of a cumulonimbus or cumulus cloud.