Endangered travel destinations around the world
by Elizabeth Olson Glacier National Park Related Links Distinctive Destinations in the U.S. Extreme Vacations…
(Encyclopedia) Arctic Ocean, the smallest ocean, c.5,400,000 sq mi (13,986,000 sq km), located entirely within the Arctic Circle and occupying the region around the North Pole.
The Arctic basin was…
Child's PlayWeatherEl Nio: The Grown-Up ChildThe Connection Between the Sea and the AtmosphereChild's PlayLa Nia: The Kid's Sister El Nio has always been associated with economic hardship along the…
Deadly embraceCannibalCancerous growthLife expectancyFew dinosaurs reached old age. These creatures were constantly at risk from the environment and from other animals. Many dinosaur species are…
(Encyclopedia) air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air…
(Encyclopedia) methanemethanemĕthˈān [key], CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184℃, and boils at −161.4℃. It is…
Impact craterDeath from spaceOther dinosaur extinction theoriesAbout 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal…
Helping the environment with solar-powered heat and bamboo roofs by Liz Olson Related Links Top Ten Greenest Buildings in the U.S. Earth Day A Warming…
(Encyclopedia) sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and…
(Encyclopedia) supercomputer, a state-of-the-art, extremely powerful computer capable of manipulating massive amounts of data in a relatively short time. Supercomputers are very expensive and are…
