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... and relatively cheap way to start addressing this problem is by switching your home electricity to green power.  Basically this means buying power that has been generated from clean renewable resources ...
... Ecoplay . It is estimated that such a system could provide a 30% reduction in water use for the average household. The danger of biological contamination is avoided in two ways. Firstly a cleaning tank ...
... greywater of this kind is never clean enough to drink, but a number of stages of filtration and microbial digestion can be used to provide water for washing or flushing toilets; relatively clean greywater ...
... or potable water), nor heavily polluted (blackwater). According to this definition wastewater fcontaining significant food residues or high concentrations of toxic chemicals from household cleaners etc. ...
... appeals more to some houseowners than conventional toilets, with their consumption of large quantities of clean water and discharge of large amounts of sewage. Composting toilets have entered the mainstream ...
... the developing countries, faced with continued poverty and deprivation, regarded development as essential - to meet their need for the necessities of food, clean water and shelter. The 1972 United Nations ...
... clean waste streams of contaminants. Solar distillation and disinfection techniques produce potable water for millions of people worldwide. Simple applications include clotheslines and solar cookers which ...
... in our lifetimes. Efficient energy use is essential to slowing the energy demand growth so that rising clean energy supplies can make deep cuts in fossil fuel use. If energy use grows too rapidly, renewable ...
... also called cogeneration, is, according to the U.S. Environmental Protection Agency, “an efficient, clean, and reliable approach to generating electricity and heat energy from a single fuel source. By ...
... small towns with landfills are happy to import garbage from other cities and states because it provides jobs and tax revenue. Today''s modern landfills are much cleaner and safer, and much less likely ...
... textiles. The textiles are shredded into "shoddy" fibres and blended with other selected fibres, depending on the intended end use of the recycled yarn. The blended mixture is carded to clean and mix the ...
... centres differ in that the cleaned recyclates are purchased, thus providing a clear incentive for use and creating a stable supply. The post-processed material can then be sold on, hopefully creating a ...
... centre or picked-up from the curbside; and sorted, cleaned and reprocessed into new products bound for manufacturing. However, critics of recycling claim that it often wastes more resources than it saves, ...
Taxonomy by Zaragoza Online