This website is the digital version of the 2014 National Climate Assessment, produced in collaboration with the U.S. Global Change Research Program. For the official version, please refer to the PDF in the downloads section.
Lahars move rapidly down valleys like rivers of concrete. If you are on the floor of a valley that leads from a volcano and become aware of an oncoming lahar, seek high ground. Lahar is an Indonesian term that describes a hot or cold mixture of water and rock fragments that flows down the slopes of a volcano and typically enters a river valley.
Warthogs have longer legs than other swine. This allows them to run away from these potential predators, reaching speeds of up to 34 miles (55 kilometers) per hour. When humans get out of bed, they often stumble along, rubbing their eyes to wake up. Warthogs donât have the luxury of waking up slowly.