Alva Review-Courier -

Heat exchange


Earth is spinning ever closer to climate change. Whether we agree that human influence is a contributing factor or not, time is of the essence to prepare for the inevitable: global warming.

The world depends on sunshine. Grandson Theron reported that if the sun ceased to shine, it would be 7 minutes before we knew. The sun has been celebrated since the beginning of time, even worshiped by civilizations looking for a supreme power.

The sun’s energy is harvested by green plants to supply our unending food supply and while the atmosphere blankets the earth in life-giving oxygen, it also pr...

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