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.
Traducir de inglés a español

Frases de ejemplo en inglés con «Ziska»