tied carbon
61Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… …
62Lehigh Gorge State Park — Geobox Protected Area name = Lehigh Gorge State Park native name = other name = other name1 = category local = Pennsylvania State Park category iucn = III image caption = At Lehigh Gorge State Park, Pennsylvania; Rockport access. etymology type …
63Calentamiento global — Para las controversias científicas y políticas, véase Controversia sobre el calentamiento global y Opinión científica sobre el cambio climático antropogénico. Para el cambio climático en el pasado, véase Paleoclimatología …
64tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …
65Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …
66Drax power station — Viewed from the east in October 2007 …
67Joseph Priestley — (13 March 1733 (Old Style) – 6 February 1804) was an 18th century British theologian, Dissenting clergyman, natural philosopher, educator, and political theorist who published over 150 works. He is usually credited with the discovery of oxygen,… …
68Duke University — Motto Eruditio …
69Fly fishing — in a river Fly fishing is an angling method in which an artificial fly is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or lure requires casting techniques significantly… …
70Photovoltaics — (PV) is the field of technology and research related to the application of solar cells for energy by converting sunlight directly into electricity. Due to the growing need for solar energy, the manufacture of solar cells and photovoltaic arrays… …
