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.
Red, White, and Blue. The official national colors of the United States can be seen on the American flag; red, white, and blue. Although the colors did not have a specified meaning at the time the American flag was adopted, they were defined for the Great Seal of the United States in 1782: Red is a symbol of valor and bravery. White symbolizes purity and innocence. Blue signifies vigilance, perseverance, and justice.