And that carbon dioxide, besides making plants grow, has other consequences as well, that plants, when they have higher carbon dioxide, increase the synthesis of carbohydrates, sugars and starches, and they decrease the concentrations of protein and critical nutrients.
Karbon dioksida, dapat membantu pertumbuhan tanaman, tetapi bisa memberikan dampak buruk. Tanaman yang memiliki kadar  karbon dioksida lebih tinggi dapat meningkatkan sintesis  karbohidrat, gula dan pati tetapi bisa menurunkan konsentrasi protein dan nutrien penting.