English example sentences with "Ziska"

At the U.S. Department of Agriculture's research center near Washington, D.C., plant physiologist Lewis Ziska said weeds — defined as any unwanted plant — appear to be thriving in today's atmosphere, which is richer in carbon dioxide, or CO₂. And Ziska said agricultural research studies show that if climate trends continue, allergy sufferers will have to endure longer and more intense pollen seasons in the decades ahead.
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