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Jan 8, 2014, 1:02 am88 pts
Earth911
Solar panels are becoming more affordable and therefore more popular for homeowners. Photo: morgueFile/Seemann For years, experts have believed that south-facing solar panels are most effective in gathering sun in the northern hemisphere. But a new study based on homes in Austin, Texas, has raised questions…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
