Our planet is poised at the brink of a severe environmental crisis. Current environmental problems make us vulnerable to disasters and tragedies, now and in the future. We are in a state of planetary emergency, with environmental problems piling up high around us.
chimney pot. n. A short, usually earthenware pipe placed on the top of a chimney to improve the draft. chimâ²ney pot`. n. an earthenware or metal pipe atop a chimney, esp. to increase the draft and disperse smoke. [1820â30] Translations.
Solar chimneys are painted black so that they absorb the sun's heat more effectively. When the air inside the chimney is heated, it rises and pulls cold air out from under the ground via the heat exchange tubes.uring the day solar energy heats the chimney and the air within it, creating an updraft of air in the chimney.