Environmental issues in Egypt dam 98% of that sediment fell under the dam. Environmentally, the Aswan Dam has contributed to numerous issues for Egyptians. The expansion of desert areas since the Aswan High Dam's construction in 1970 has increased in soil salinity which allowed for waterborne diseases to emerge. In 1994, 28% of Egypt's soils were damaged by significant levels of salinity. The importance of water resources for Egyptians has contributed to the creation of agencies, such as the Egyptian Ministry of State for Environmental Affairs, that promote and protect Egypt's natural resources. Environmental issues in Egypt Egypt's environmental problems include water scarcity, air
Aswan the summer solstice, a vertical staff cast no shadow. They noted that the sun's disc was reflected in a well at noon. This statement is only approximately correct; at the summer solstice, the shadow was only of the staff, and so could scarcely be discerned, and the northern limb of the Sun's disc would be nearly vertical. However, Eratosthenes used this information together with measurements of the shadow length on the solstice at Alexandria to perform the first known calculation of the circumference of the Earth. The Nile is nearly wide above Aswan. From this frontier town to the northern