Genesis 1:11
“And God said, Let the earth bring forth grass, the herb yielding seed, and the fruit tree yielding fruit after his kind, whose seed is in itself, upon the earth: and it was so.”

One of the criticisms of solar power is that it is so variable. Clearly, a solar plant is going to produce no energy at night and an inadequate supply when the sky is cloudy. On the other hand, a suitable size plant could over-produce when sunlight is intense.

Plants have a similar problem. The rapidly changing incidence of sunlight on their leaves could, conceivably, cause problems within the plant. However, researchers have discovered that plants have mechanisms to cope with these variations, and one such mechanism could answer the old question: “Why are plants green?”

Plants produce high energy carbohydrate molecules from water vapor and carbon dioxide by the well-known process of photosynthesis. This endothermic reaction requires the input of energy in the form of light, and the reaction is catalyzed by the green dye chlorophyll. What many of us have not considered is why chlorophyll is green.

White light is a mixture of all three primary colors – red, green and blue – which have increasing frequency and, hence, increasing energy, in that order. The remarkable thing about plants, therefore, is that they are absorbing light energy only at either end of the visible spectrum while rejecting – and reflecting – the middle of the spectrum, which is green. Researchers have shown that this selective absorption of certain frequencies minimizes “noise” and, therefore, enables the plant to cope with rapidly changing conditions of sunshine.

God has made plants with a truly remarkable mechanism for growth.

Prayer: Thank You, Lord, for Your amazing provision for everything that You have made. Amen.

Author: Paul F. Taylor

Ref: University of California – Riverside. “Why are plants green?” ScienceDaily, 25 June 2020. <www.sciencedaily.com/releases/2020/06/200625144900.htm>. Image: Chloroplasts situated in plant cells, CC BY-SA 3.0 Unported.

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