Water scarcity in Egypt ... at Cairo University and consultant with the UN’s Food and Agricultural Organization (FAO) says that evergreen trees are the most efficient in purifying air because ...

noise and air pollution. According to the study, Cairo’s air is 11.7 times more polluted than the levels recommended by the World Health Organisation (WHO) and the city’s metropolitan area ...

But the slowdown also has cut air pollution by more than a third in Cairo, a city once ranked as one of the world's 10 dirtiest. Saudi crown prince meets Egypt's Sisi in Cairo Ruto suffers setback ...

In expanding his father’s garden, he wished to follow in the footsteps of modern Egypt ... at Cairo University and consultant with the UN’s Food and Agricultural Organization (FAO) says that evergreen ...