“earlier this month, nasa scientists provided a visualization of a startling climate change trend — the earth is getting greener, as viewed from space, especially in its rapidly warming northern regions.
“earlier this month, nasa scientists provided a visualization of a startling climate change trend — the earth is getting greener, as viewed from space, especially in its rapidly warming northern regions.
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this last phenomenon is known as the greenhouse effect: trace molecules within the atmosphere serve to capture thermal energy emitted from the ground, thereby raising the average temperature.