At that time, most scientists dismissed the idea that humans could significantly affect average global temperatures. Motivated by this scientific dispute, Keeling began taking measurements of carbon dioxide at Mauna Loa Observatory in 1958.
A peninsula is a piece of land surrounded by water on three of its sides and connected with a larger landmass on its fourth side. In other words, a land area that âsticks outâ into the water. Much of Florida is formed by a peninsula that is surrounded on three sides by the Atlantic Ocean and the Gulf of Mexico. The largest of all the peninsulas on earth is the Arabian Peninsula in southwest Asia. This landmass is washed on the east by the Persian Gulf, on the west by the Red Sea, and on the south by the Gulf of Aden and the Arabian Sea.
A peninsula is a long, narrow piece of land that is surrounded on  three sides by water. The state of Florida is a peninsula in the  United States.