Many of Cho's buildings are in South Korea, but some of his temporary structures, such as the "Air Forest" set up in Denver, U.S., in 2008 and "Ring Dome" seen in Milan and Yokohama, have made it abroad.
Natural factors such as forest fires further affect air quality by emitting carbon monoxide and other gases that lead to the production of ozone.
Just the same as the Forest Trees that clean the air and make Oxygen we breath and all living on earth need to Live.
Then researchers fan out across the forest measuring the temperature and the humidity of the air (two of the factors that determine how a fire will behave), and recording the amount of woody fuel in the forest and the moisture in that fuel.
But talk of financial incentives for forest-owners to preserve their trees is in the air, and a deal may be struck at the United Nations climate-change meeting being held in Copenhagen in December.
The Indian soldiers were air dropped by an army helicopter into a pine forest near the Pirpanchal range of mountains, police said.
They look at a forest or a desert and they track rainfall patterns, or air and soil temperatures, what plants grow there and who eats what.
Ryan Brewer, an assistant professor of finance at Indiana University-Purdue University Columbus, calculated the intrinsic valuations for 115 of the 120 teams in the Football Bowl Subdivision (excluding Air Force, Navy, Tulane, Tulsa and Wake Forest).
WSJ: How Much Is Your Alma Mater's College Football Team Worth?
Soon, the rattle of a chainsaw fills the air and the staccato sound of chopping wood echoes around the forest.
The fact is that adaptations of the V-22 have virtually unlimited potential to improve interurban air transport, short-haul commercial delivery, oil spill containment, forest fire-fighting, emergency relief delivery, and a host of other functions.
But to bed down in the fresh air like the woodcutters of yore, head to an unusual campsite near Diepwalle Forest Station in the heart of the woods.
First, when released into the air as a result of incomplete combustion (from sources as varied as badly serviced diesel engines and forest fires), soot particles absorb sunlight, and so warm up the atmosphere.
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