BRYAN EATON/Staff Photo. Susan Harvey, left, looks on as Nock Middle School students pick up small plants she brought for them to take home. Harvey, from Plantwerks in Salisbury, was at the Newburyport School on Tuesday for Earth Day and gave a presentation to students about the power of living plants in indoor spaces with the theme about biophilia and how plants help us live a healthier lifestyle in many ways (clean air, absorbtion of carbon-dioxide and natural anti-anxiety).

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