Africa holds 15 % of world’s population with an across sector infrastructure investments average returns of 15 to 20%. The diverse location of people living within the continent makes intercity, interstate, or inter-country transactions difficult and where it does happens, comes with huge transaction cost. This creates a wide gap in Africa’s regional economy, resulting in wide spread of poverty...

Time-series analysis of Antarctic QuikSCAT data reveals several trends. An annual seasonal cycle in which backscatter power increases during the Austral winter and decreases during the Austral summer, is observed over most of the continent, with varying magnitude. Several areas also show a large ( ∼ 10dB) decrease in average backscatter during the Austral summer, suggesting melt events. As expe...