Aug 31
TweetWhat is water scarcity? Imbalances between availability and demand, the degradation of groundwater and surface water quality, intersectoral competition, interregional and international conflicts, all contributes to water scarcity. Scarcity often has its roots in water shortage, and it is in the arid and semiarid regions affected by droughts and wide climate variability, combined with population …
Aug 30
Tweet The term “technology” refers to the application of knowledge for practical purposes. The field of “green technology” encompasses a continuously evolving group of methods and materials, from techniques for generating energy to non-toxic cleaning products. The present expectation is that this field will bring innovation and changes in daily life of similar magnitude to …
Aug 29
TweetOpen air parking lots are great places to build solar power plants: — Parking lots are nearly always near a power grid connection. This cuts electricity transmission losses as well as the cost of installing the solar plant. — Parking lots are nearly always near at least one building that needs electricity. Not only is …
Aug 28
TweetEnvironmental courts are to be established to address water crimes that threaten an already water-stressed nation, Water and Environmental Affairs Minister Buyelwa Sonjica announced. “We are working closely with the South African Police Service and the directorate of public prosecutions to address water crimes that threaten the security of supply to lawful water users,” she …
Aug 28
Tweet This is an example of solar water heating system with a vacuum tube collector (there are two main solar geyser collector types, the other one being the flat-plate collector). Solar energy, whether solar panels (photovoltaic systems) or solar water heating systems are employed, is becoming the major renewable energy source that is reducing our …
