Over the past 50 years, six Nile Basin countries have built 25 hydroelectric dams.
b. THE EARTH GETS CLOSER AND FARTHER FROM THE SUN
The ozone layer protects us from the harmful emission of rays directly to the environment. Absent this added layer of protection we humans will be susceptible to various forms of cancer due to over radiation and eye problems such as cataracts. It is estimated that 10% of the world's population will face the consequences of ozone depletion this year and these numbers were continue to rise as time progresses.
