Petroleum can be define as “Crude Oil and/or Condensate and/or Natural Gas existing in their natural condition”. Petroleum formation occurs by various hydrocarbons combining with certain minerals such as sulphur under extreme pressure. Most...
With the increasing population, urbanizing has become unavoidable. In urban areas land has become extremely valuable and highly demanding resource thus using separate lands only for conservation is out of question. When an area...
Uma Oya is one of the major tributaries of Mahaweli Ganga which is the largest river basin in Sri Lanka. Uma Oya flows across the central highlands and discharges in to Rantambe reservoir. Uma...
Light-emitting diode, commonly known as LED, is the latest development in lighting technology whose application to general purpose lighting is rapidly growing, with significant potential for energy savings. Light-emitting diodes are semiconductor devices that...
A Genetically Modified (GM) crop is defined as “an organism whose DNA has been altered in a non-natural way”. They are specific in different ways. They have important characteristics such as insect resistance,...
There was no proper national level solid waste management program in Sri Lanka until the establishment of “PILISARU” national solid waste management project in 2008. Establishment of the low cost sanitary landfills is a...
While heading for the sustainable development, the concept of green building has become a prime concern in construction industry. Green buildings increase the efficiency of resources while sustaining natural resources for the future generation...
Solar energy is simply the radiation from the sun that is capable of producing heat, causing chemical reactions or generating electricity. Solar power generation has emerged as one of the most rapidly growing renewable...
Potential for loss of life and destruction of assets through landslides is increasing in many mountains and hilly areas in Sri Lanka. Residential, tree logging and concentrated human activities continue to expand slopes which...
As the amount of conventional gas and oil contents reduces drastically, alternative sources of energy should be explored. In addition to hydro power, biomass, solar, wind energies, methane gas produced from dissociation of hydrates...
