Most popular questions

77 Why shouldn't meat be placed in my compost pile? 2013-01-29T21:04:49.823

63 What is an energy efficient way to get fresh air indoors during winter? 2013-01-30T13:50:24.577

56 Which is more sustainable: aluminium can, plastic bottle or glass bottle? 2013-02-05T23:17:25.740

53 Alternative to Toilet Paper? 2013-01-30T07:15:12.450

48 Is it feasible to compost in an apartment in a city like New York? 2013-01-29T19:54:32.160

48 How can I be more energy efficient in an apartment? 2013-02-01T11:21:25.537

47 Can I recycle plastics at home by melting and molding? 2013-02-01T11:42:01.583

45 How to preserve meat during warm months without electricity? 2013-01-29T19:50:13.523

41 Producing my own energy options in urban area with windows but no roof access? 2013-01-29T20:38:50.510

41 Are pizza cardboards stained with oil still recyclable? 2013-04-08T17:53:28.893

40 Is it better to recycle or compost brown paper bags? 2013-02-01T20:26:33.947

40 How effective is turning a car's engine off while standing at a traffic light? 2013-03-19T17:38:08.643

40 Which tree consumes most carbon dioxide and poisonous gases? 2013-04-18T07:05:13.680

39 What is the most sustainable way to dispose of shoes? 2013-04-07T04:50:38.823

35 Reading on paper vs. screen 2013-02-16T16:35:04.987

35 Are electric cars as environmentally friendly as we think they are? 2013-03-07T18:49:32.743

34 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

32 Impact of various travelling options 2013-01-30T08:59:00.770

32 Which solar power technology has the highest energy return on investment (EROI aka EROEI)? 2013-06-08T19:27:23.420

31 How do I find an eco-friendly laptop? 2014-07-29T18:40:16.037

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

29 Estimating the cost of solar panels and return time? 2013-01-30T20:30:15.467

29 Which type of portable electric heater is better? 2013-11-09T12:35:17.867

29 What are the major concerns about planting trees to create carbon offsets? 2020-03-02T04:32:39.300

28 Should I use my wood fireplace? 2013-01-29T20:58:50.660

28 Lowest impact transatlantic crossing 2013-04-28T13:37:12.023

28 Why am I offered a 5 kW inverter with a 6.6 kW solar installation? 2020-01-06T05:30:43.877

27 Biodegradable cleaners to remove mold? 2013-01-29T22:05:24.307

27 Is it sustainable or necessary to use potable water to wash waste before recycling? 2013-02-02T03:49:48.810

27 What to do with wood ash? 2013-02-03T18:51:11.970

26 Prevent concrete roof from absorbing too much heat during summer 2015-02-23T09:47:26.887

25 Is there a difference in insulation to keep heat in or out? 2013-02-03T12:07:36.953

25 Are mouldy kitchen scraps okay to compost? 2013-02-14T20:09:28.953

25 Does a dishwasher save water in the long term? 2013-05-01T08:10:47.067

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

25 What types of plugged in electronics use energy even when turned off? 2014-01-24T13:21:56.877

23 Before drilling a well, how can I determine any water table impact? 2013-01-29T19:51:19.820

23 How to determine whether hybrid cars are really more sustainable than traditional cars? 2013-01-29T20:01:51.440

23 How can I add thermal mass to a woodstove, without a lot of weight? 2013-01-29T23:39:41.553

23 Do small portable solar chargers generate more energy than it costs to produce them? 2013-01-30T14:18:30.217

23 How can I seal a pond without using a plastic pond liner? 2013-01-30T23:48:59.703

23 Alternative for electrical washing machine 2013-02-01T00:41:52.183

23 Dealing with bugs in compost 2013-02-08T08:16:30.563

23 Planting trees for firewood - how many? 2013-02-14T09:58:09.717

23 How to recover water from washing machine for toilet 2013-03-11T00:13:13.033

23 How can I manage my fridge's contents better? 2013-04-25T16:20:02.243

23 Palm oil vs coconut oil, which has the smallest ecological impact? 2013-10-08T15:18:36.000

23 What can I do as a developer for the environment? 2015-09-13T11:51:55.603

23 Why don't toilets use saltwater? 2016-06-18T09:43:23.433

22 Local greenhouse/hothouse vegetables vs. remote naturally-grown vegetables 2013-01-30T08:52:34.667