From lakes and grasslands with hippos and giraffes to a vast desert, North Africa's sudden geographical transformation 5,000 years ago was one of the planet's most dramatic climate shifts.
The transformation took place nearly simultaneously across the continent's northern half, a new study finds. The results will appear in an upcoming issue of the journal Earth and Planetary Science Letters.
http://www.livescience.com/28493-when-sahara-desert-formed.html
He improved business and trade.
hope i helped
St. Francis of Assisi abandoned a life of luxury for a life devoted to Christianity after reportedly hearing the voice of God, who commanded him to rebuild the Christian church and live in poverty. He is the patron saint for ecologists.
