Carbon dust and oil build up in large motors and cause them to short-circuit.

碳尘和燃油在大发动机里越积越多，造成了发动机短路。

《柯林斯英汉双解大词典》

The major components of PM are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.

它的主要组成成分是硫酸盐、硝酸盐、氨、氯化钠、碳、矿物粉尘和水。

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Dust is a major source of iron, which is vital for plankton and other organisms that draw carbon out of the atmosphere.

灰尘是铁的主要来源。而铁对于浮游生物和有机物来释放二氧化碳是至关重要的。

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As one who has conducted field research and been mountaineering in the Himalayas for over four decades, I can personally attest to unbelievably dramatic changes in the glacial profiles I have witnessed over those many years, as well as recognizing what is now termed aerosol hot spots, the warming combination of dust and carbon in the air.

FORBES: The Last Shangri-la? A Conversation with Bhutan's Secretary of the National Environment Commission, Dr. Ugyen Tshewang

And the air quality around the plant ought to improve, too, Ford says, because the roof will trap dust, absorb carbon dioxide and release oxygen into the environment.

FORBES: Magazine Article

Crop yields in recent dry years were less affected by drought than crops of the dust-bowl droughts of the 1930s, when there was less carbon dioxide.

WSJ: Harrison H. Schmitt and William Happer: In Defense of Carbon Dioxide