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.
The colors of the national flag represent Estonia's history, nature and folk costumes.The blue stripe represents faith, loyalty and devotion as well as the sky, sea, and lakes.he Larkspur Blue on Aruba's flag is meant to call up Aruba's sky and the Caribbean Sea. The red is for Aruba's red soil and the blood of Arubans. The white is for Aruba's dis â¦ tinctive white beaches. The Bunting Yellow is for the abundance of sun and gold.