مقال عن نبات الزعتر

عرف القدماء قائمة واسعة من النباتات الطبية والعطرية ومنها الزعتر والتي استخدموها في علاج كثير من الامراض وتعتبر من المحاصيل غير التقليدية  التي يحتاجها الانسان أو تدخل في الممارسات الغذائية له بشكل أو بآخر ، وتستخدم هذه النباتات إما طازجة  أو مجففة  أو في إستخلاص الزيوت. فمنها موجود بشكل طبيعي ومنها ما يزرع في المزارع والحدائق المنزلية ، وقد ظهر  إهتمام عالمي واسع بزراعة الزعتر لاستخدامه أو أجزاء منه للحصول على زيوته العطرية التي تدخل في تركيب العديد من المركبات الصناعية كبديل لعدد من المستحضرات الكيماوية المنتشرة . وفي الحضارات القديمة انتشر التداوي بالاعشاب  في الصين والهند وفيتنام والاغريق أما … Continue reading

Waste Management in Gaza Strip

Solid waste management in Gaza Strip is a matter of grave concern. With population of approximately 1.75 million, waste management is one of the most serious challenges confronting the local authorities because of high volumes of solid waste generation and economic blockade by Israel. The daily solid waste generation across Gaza is more than 1300 tons which is characterized by per capita waste generation of 0.35 to 1.0 kg. Scarcity of waste disposal sites coupled with huge increase in waste generation is leading to serious environmental and human health impacts on the population. The severity of the crisis is a … Continue reading

Solar Energy in Saudi Arabia: Perspectives

Saudi Arabia, the epicenter of global oil industry, has been showing keen interest in solar energy in recent years. Saudi Arabia has one of the world’s highest solar irradiation in the world, estimated at approximately 2,200 thermal kWh of solar radiation per m2. The country is strategically located near the Sun Belt, in addition to plentiful availability of empty stretches of desert that may accommodate infrastructure for solar power projects. Vast deposits of sand can be used in the manufacture of silicon PV cells which makes Saudi Arabia an attractive location for solar industry. “The resource is stunning; land is … Continue reading

Climate Change Impacts on Public Health: Perspectives for Arab World

Climate change is not only affecting the economies of Arab world but also having detrimental impacts on the very fabric of society, through threats to public health and livelihoods. Climate change in the Arab world is also exacerbating social inequalities, hitting the rural poor the hardest. This is not a reason for complacency amongst the wealthy urban classes. Basic humanitarianism aside, history suggests that physical hardships can breed wider unrest: a body of evidence suggests that poor harvests caused by a major Icelandic volcanic ash cloud in 1783 triggered no less an event that the French Revolution. Extreme weather events … Continue reading

Solid Waste Management in Jordan

Jordan is an emerging and stable economy in the Middle East. The growing industrialization and high population growth rate has led to rapid increase in solid waste generation in the country which has, in turn, put increasing pressure in waste management infrastructure. Around 2 million tons of municipal waste is generated in Jordan each year with most of it diverted to unsanitary landfills and dumpsites. Improper solid waste disposal is leading to public health risks, adverse environmental impacts as well as socio-economic problems.  Solid Waste Generation The predominant fraction in Jordanian MSW is organic matter which makes up as much as … Continue reading