Maryland

located between 2-14 degrees north and 160-173 degrees east. Total land area of RMI is 69.5 sq. mi. (180 sq. km.), with an average elevation of less than 6.5 ft. (2 m.). RMI population is 59,071 (2005 est.), with 38.2 percent of the population under age 15. The Marshal-lese are Micronesians who migrated from Asia several thousand years ago. More than half of the population is concentrated in two locations: Majuro, an atoll containing the capital city of Majuro; and Ebeye, an islet adjacent to the U.S. military base on Kwajalein Atoll.

RMI became an independent nation in 1986, but remains economically dependent on the United States due to historic and current military installations. Most commercial fishing is by licensed foreign fisheries. Small farms produce coconuts, tomatoes, melons, and breadfruit. Small-scale industry is limited to handicrafts, fish processing, and copra. Cultural integrity has historically been tied to land- and ocean-based food production. Environmental degradation accelerated by nuclear testing and military uses of some atolls complicates the challenge of developing sustainable lifestyles on these overpopulated, resource-poor atolls. The undeveloped economy results in low greenhouse gas emissions by the RMI.

Global climate change effects on RMI will include sea level rise, coral bleaching, saltwater intrusion, and the increased frequency of tropical storms. Solid waste disposal, availability of potable water, fisheries depletion, and overpopulation reduce the ability of the nation to react to climate change. For example, on March 21, 2007, the RMI government declared a state of emergency after a prolonged drought. Erosion of the extensive ocean/land interface, already escalating with a relatively small sea level increase, presents a serious challenge. Bleaching and coral death have interrupted the natural cycle of coral replenishment and may cause the collapse of the coral reef ecosystem. Prevailing wind patterns have largely protected these islands from severe tropical storm damage, but shifts in storm movement patterns are allowing more frequent and direct storms.

sEE ALsO: Alliance of Small Island States (AOSIS); Drought; Sea Level, Rising.

BIBLioGRAPHY. Andrew S. Goudie, The Human Impact on the Natural Environment: Past, Present, and Future (Wiley-Blackwell, 2005); A. Kudo, Plutonium in the Environment (Elsevier Science, 2001); Marshall Islands Country Study

Guide (Global Investment & Business, Inc, & USA International Business Publications, 2000).

Barbara Ann Ribbens Western Illinois University

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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