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.
Quick Answer. The English flag has a red cross on a white background, which represents England's patron saint, Saint George. This symbol is known as Saint George's Cross. The red cross was used by English soldiers in the crusades, and it is believed to have been adopted by Richard the Lionheart. Continue Reading.