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Show Trees Help Keep Your House Cooler Trees are temperature controls Strategically located around a house, they may reduce the temperature tem-perature from 5 to 15 degrees or more in the summer. As a windbreak wind-break in the winter, they can reduce re-duce a 12-mile wind to a 3-mile breeze and, experts have computed com-puted thereby, halve the amount of fuel it takes to heat a home during the period of wind. A deciduous tree properly placed offers cooling shade in the summer and allows the sun to shine on the house in the winter Trees transpire during the summer sum-mer and it is the moisture emitted through the leaves that cools the surrounding atmosphere. A mature ma-ture tree pulls up 30 to 40 gallons of water from the soil on a midsummer mid-summer day and sprays out C8 per cent of it through the leaves. It does it silently and mysteriously. mysterious-ly. A big old elm will have about a million leaves, or an acre of leaf surface as part of its humidifying humidi-fying machinery. At the same time it casts a pool of shadow 100 feet in diameter. Many trees set their leaves so that they flutter and spin in the softest breeze to take man's thoughts away from the heat of the day. When composed, a silver maple is clothed in dark green foliage. Then a little breath of air will suddenly turn over all the leaves on one side and the undersides will flash like silver in the sun. A breeze barely felt on the cheek will set the leaves of a trembling aspen into a restless, gyrating dance. |