Tag: light

33 What’s the best strategy for turning off CFLs that will save energy but not reduce lifespan so much 2013-01-29T21:41:21.937

24 What to do with old, unused incandescent light bulbs 2015-05-10T18:46:32.630

21 What form of electrical lighting has the smallest energy-footprint? 2013-05-06T22:22:23.983

17 What's the typical energy usage of automatic light switches? 2013-01-30T14:02:36.910

16 Long-term sustainability concerns of compact flourescent vs incandescent light bulbs 2013-02-06T05:56:40.323

15 Are there any bright candelabra base LED bulbs equivalent to a 60-75 Watt incandescent? 2013-03-12T23:19:33.970

15 Are incandescent light bulbs recyclable? 2014-04-05T00:15:19.237

12 Improving natural light access 2013-05-02T13:55:03.000

10 Sustainability of LED production? 2013-06-07T15:19:20.143

10 Is it economical / sustainable to switch from CFL to LED? 2016-01-14T12:19:21.007

9 How much energy does it take to create a single light bulb? 2013-05-07T09:22:12.937

9 How do I dispose of Xenon light bulbs? 2013-11-16T17:03:28.200

9 Should I replace existing inefficient light bulbs? 2017-07-16T18:40:56.647

7 Anything similar to GravityLight that can be readily purchased? 2016-08-10T16:50:28.120

6 Indoor Urban Garden Lighting 2013-05-20T14:07:02.550

3 Can artificial lighting compete with horizontal agriculture? 2015-10-13T22:56:25.570

3 Energy requirements for sustainable food production system 2015-11-14T01:17:03.440

2 Repair a bedside lamp 2013-12-17T15:38:31.060

2 How much heat loss occurs due to unsealed downlights? 2014-08-19T12:23:55.070

2 How much energy could we save if we all got up at sunrise 2015-05-19T00:21:32.497

1 Energy saving lamps suggestion 2015-03-12T19:52:15.470

-2 Solar energy without the sun: Super LED light on top of solar panels? 2014-03-22T00:15:53.270