Trump's interior secretary: I haven't 'lost sleep' over record CO2 levels
by Emily Holden in Washington from Environment | The Guardian on (#4F6RJ)
Last week the Mauna Loa Observatory observed the highest levels of carbon dioxide in the atmosphere ever documented
Donald Trump's interior secretary hasn't "lost sleep over", the record-breaking levels of pollution heating the planet, he told US lawmakers in an oversight hearing.
The Mauna Loa Observatory in Hawaii observed carbon dioxide levels of 415 parts per million in the atmosphere on Friday - the highest ever documented.
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