The polar axis is an imaginary line that extends through the north and south geographic poles. Earth rotates on its axis as it revolves around the Sun. Earth's axis is tilted approximately 23.5 degrees to the plane of the ecliptic (the plane of...

Antarctica, the coldest and second-smallest continent (after Australia), is centered on the South Pole and is situated almost entirely within the Antarctic Circle at 66 1/2° S. Some 97% of the total area of about 13,924,000 sq km (5,376,000 sq...

Earth's polar regions are the areas of the globe surrounding the poles also known as frigid zones. The North Pole and South Pole being the centers, these regions are dominated by the polar ice caps, resting respectively on the Arctic Ocean and the...

ABSTRACT The polar and subpolar tropopause in both hemispheres is investigated using the ECMWF Reanalysis (ERA) data from 1979 to 1993 and radiosonde data from 1989 to 1993. Both the thermal and the dynamical criteria are applied to each dataset. The tropopauses derived...

By DONALD R. ROTHWELL. Cambridge: Cambridge University Press, 1996. 498 p., maps, index, bib. Hardbound. US$95.00. In this book, the third in the series Cambridge Studies in International and Comparative Law, Rothwell offers us a thorough survey of the international legal regimes...

Are we really heading for an ice-free Arctic? More than 50,000 researchers hope to find an answer during a massive study of how global warming and other phenomena are changing the coldest parts of the Earth _ and what that means for the rest of...

Pollution from Asia is helping generate stronger storms over the North Pacific, according to new research. Changes in the North Pacific storm track could have an impact on weather across the Northern Hemisphere. Satellite measurements have shown an increase in tiny particles generated from coal...