Green sand beach lies on the slopes of the world's largest active volcano mauna loa.

绿沙海滩就位于全球最大的活火山冒纳罗亚的斜坡上。

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Another was at a newly established weather station atop mauna loa in Hawaii.

另一个观测站是一个新设立的气象站，位在夏威夷的茂纳罗亚火山顶。

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Since then small earthquakes and swelling of the mountain indicate that mauna loa's plumbing system is again active.

从这时候开始，小规模的地震和山体的膨胀说明莫纳罗亚火山的通道系统再一次开始活动。

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The Americans had planned to use the Infrared Telescope Facility on top of Hawaii's Mauna Kea volcano the following night.

VOA: special.2009.08.25

Mauna Loa and Kilauea together form Volcanoes National Park in Hawaii.

VOA: special.2010.09.08

Both instruments are in Mauna Kea,Hawaii.

VOA: special.2009.12.30

The Mauna Loa station is the oldest in the world to measure carbon dioxide.

CNN: CO2 levels hit new peak at key observatory

But those monitoring stations aren't seen as a world mark like the one at Mauna Loa, Hawaii.

NPR: Greenhouse Gas Milestone; CO2 Levels Set Record

The long-term measurements at Mauna Loa were started by a Scripps Institution of Oceanography scientist called Charles Keeling.

BBC: Carbon dioxide passes symbolic mark