DWQA Questions › Tag: energy efficiency
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A viewer asks: “Are LED light bulbs a greater risk to human health as we have been told and better to use incandescent bulbs? If they are a bigger problem, then why is that?”
ClosedNicola asked 3 years ago • 
403 views0 answers0 votes
A student asks: “Will a combination of wind and solar power generation be the answer for the planet’s energy needs, or is it unavoidable that oil and gas will continue to dominate as a source of fuel with their attendant problems?”
ClosedNicola asked 4 years ago • 
449 views0 answers0 votes