authorization - the power or right to give orders or make decisions; he has the authority to issue warrants; deputies are given authorization to make arrests; a place of potency in the state. authority, potency, authorisation, say-so, dominance.
A savanna is a rolling grassland scattered with shrubs and isolated trees, which can be found between a tropical rainforest and desert biome. Not enough rain falls on a savanna to support forests.
Tropical Grasslands (Savannas) Tropical grasslands are located near the equator, between the Tropic of Cancer and the Tropic of Capricorn. They cover much of Africa as well as large areas of Australia, South America, and India. Tropical grasslands are dominated by grasses, often 3 to 6 feet tall at maturity.