You are to write in no less than 120 words about the title "Shortage of Natural Resources"

You are to write in no less than 120 words about the title "Shortage of Natural Resources". You should base your composition on the outline given in Chinese below： (1)自然资源现状和未来。 (2)我国自然资源短缺的主要原因。 (3)解决办法。

请帮忙给出正确答案和分析，谢谢！