A chara, – A long time ago (5,200 years) in a county not to far away (Meath), a farming community built Newgrange to mark the rebirth of the sun.
For us to be as smart as our ancestors we should build a solar panel that generates its maximum energy on the morning of the winter solstice to mark the dawn of the zero emissions era. – Is mise,
DERMOT O’ROURKE,
Lucan,
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Dublin.