Tag Archive for: nature

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Do plants improve air quality?

According to an often-quoted study conducted by NASA, house plants have been found to purify the air and remove “up to 87% of the amount of toxins in the air”. Recent studies, however, have cast doubt on these statements finding that indoor…
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Lichens as an Indicator of Air Quality

Indicator species are organisms that provide information on the condition of their environment. Lichens are one such example, and have been used by scientists for the purpose of determining the air quality in a given area. Read on to find out…