Petroleum is used in manufacturing a wide variety of materials, and it is estimated that the world consumes about 90 million barrels each day. Concern over the depletion of the earth's finite reserves of oil, and the effect this would have on a society dependent on it, is a concept known as peak oil.
The National flag of St. Kitts & Nevis features green for our fertile lands, yellow for our year-round sunshine, black for our African heritage, and red for our struggle from slavery through colonialism to independence. It also displays two white stars on a black diagonal bar, symbols of hope and liberty.
Colors. Tanzania Flag-Colors meaning. green represents the natural vegetation of the country, gold its rich mineral deposits, black the native Swahili people, and blue the country's many lakes and rivers, as well as the Indian Ocean.olors. Tanzania Flag-Colors meaning. green represents the natural vegetation of the country, gold its rich mineral deposits, black the native Swahili people, and blue the country's many lakes and rivers, as well as the Indian Ocean.