By Aida Petrovska, posted 1/31/18 2:01 PM

The planet Earth is a mixed living and nonliving system. It is the suprasystem of an supranational systems as well as the total ecological system, with all its living and nonliving components.  The Earth is an open system, interacting with its atmosphere and with matter and energy in space.  ЕКО - ПОТРЕБИ Постои голема потреба од позитивно рециклирање на цивилизацијата, потреба од политика на глобален развој, почитување меѓу луѓето и почитување на природата – враќање во состојба на природна … ...

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By Aida Petrovska, posted 1/30/18 7:16 PM

Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate.   The average temperature of the Earth has risen between 0.4 and 0.8 °C over the past 100 years. The increased volumes of carbon dioxide and other greenhouse gases released by the burning of fossil fuels, land clearing, agriculture, and other human activities, are believed to be the primary sources of the global warming that has occurred over the past 50 years.Changes...

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By Aida Petrovska, posted 1/30/18 6:37 PM

Thermal insulation  - Energy in the home  We lose energy from the roof, the door, the walls and the windows. In order to reduce electricity bills and pollution, we need to keep energy losses from our homes to a minimum. - Heat loss prevention - curtains Curtains reduce draughts leaving the house. They are opaque and so don’t allow much radiated heat to pass through them. - Heat loss prevention - bricks Most outside walls have an empty space between the 2 layers of bricks called a cavity. This reduces heat loss by conduction through the bricks. Cavity wall foam...

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