Latest Rob McDonald Stories
Large cities occupy only 1 percent of global land surface, but draw water from almost half of that surface Arlington, VA (PRWEB) June 03, 2014 The Nature Conservancy announced the publication of the first global database of urban water sources and stress today in Global Environmental Change. The study estimates that cities move 504 billion liters of water—enough to fill 200,000 Olympic swimming pools—a distance of 27,000 kilometers every day. Laid end to end, all those canals and...
Water shortages around the world will become more severe as the world's population continues to grow, especially in urban areas, according to a new study led by The Nature Conservancy's Rob McDonald. The study, "Urban Growth, Climate Change and Freshwater Availability," looks at cities specifically with populations of 100,000 or more in developing countries, including those in Latin America, the Middle East, Africa and Asia. Close to one billion urban residents could face severe water...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.