The land-based pollutants contribute the main pollution source for the marine environment.

陆源是海洋环境污染的主要来源。

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For many of these states, offshore wind is the most abundant indigenous energy source and the only commercial option for renewable power generation, especially in southern states where land-based resources become scarcer with decreasing latitude.

FORBES: Turn Baby, Turn - Offshore Wind Power Poised for Major Growth in U.S.