All Questions

After all those scary stories about microplastics (I think you don't need references on that one), I was surprised to discover plastic solutions being suggested, even promoted you can say, in ...

I was under the impression that this was a global phenomenon since at least 50-70 years or so, but apparently not? Basically, I went to the Swedish Wikipedia article for "Pant": https://sv....

This is similar to, but more general than this question and referring to from scratch buildings. I've seen Create an Oasis with Greywater and it's an awesome resource to build a DIY system. The ...

I've been trying to think of creative ways to save on water usage, and one way I thought of was to collect graywater from showers or washing dishes to use for flushing the toilet to reduce # of ...

I've looked through the first five pages of Scholar search results to my request "landfill decomposition of textiles cotton" and found zero useful information. Is there any scientific ...

Today I read the news that Tesla is about to start production of electric semi trucks (aka tractor-trailers). Given the size of the trailer and its long, flat roof, I wonder if it would be feasible to ...

I'm using the Python tool pymrio to do emission analysis for various traded goods (using Exiobase). I see how production and consumption based emissions are calculated on per-country basis, in the ...

Hypothetical question, since I neither have a garden, nor live in a region seriously affected by drought (yet). In context of the current drought along the western US coast, experts and scientists ask ...

https://pv-magazine-usa.com/2019/08/22/there-are-solar-power-fires-per-year/ This data implies (roughly) 1 in a million solar fire risk. So say I have a 1gw solar farm with 1kw panels. Does this mean ...

They say "cotton is bad because they use pesticides". But are they really necessary? Suppose your options are limited when it comes to dramatically reducing cotton farming's water ...

My understanding is that convection electric baseboards use electricity to run current through a resistor, which generates heat. My understanding is that this should be fairly efficient in the sense ...

How long does it take for a cotton piece of clothing to decompose under landfill conditions? I skimmed through the first five pages to my Google Scholar query "cotton degradation decomposition ...

The stone terrace at our house on a Croatian island gets very hot during the summer. So hot it is not possible to walk across barefoot. We would like to add wind-resistant shading, there is already a ...

Is there such a thing as safe and green incinerators? Do those cutting-edge incinerators in developed countries like Sweden emit pollutants in quantities that can negatively affect human health and ...

I've seen a lot of references to films which radiate heat from an underlying surface out into space. For example: http://radi-cool.com/ https://arpa-e.energy.gov/technologies/projects/passive-...

During the last few years, shared electric kick scooter systems such as Voi and Tier have become common where I live. The system consists of a number of shared electric kick scooters scattered around ...

They said that Solar and Wind are now cheaper than fossil fuels. One of the primary reasons is subsidies and new technologies. Does anyone know the comparison research using No Subsidies. If we ...

Now that my partner and I are working from home indefinitely, we decided to install central air conditioning. We got quotes for a unit with a 17 SEER efficiency rating, and ultimately picked this one. ...

I want to know if there are any darknets that are sustainable. I have my doubts about Tor due to their apparent interest in Proof of Work. https://blog.torproject.org/stop-the-onion-denial In ...

We replaced our furnace last year, and the new one has a fan which can be run independently of the heating function. The fan recirculates air throughout the house. Is there a way to use this to keep ...

There seems to be a growing consensus, that the vegan diet is the most sustainable for our environment on multiple levels, such as land use, water use and co2. There is some debate about whether ...

There's a lot of talk about hydrogen. But is there any kind of genuine marketplace for "normal" household appliances to run on hydrogen instead of natural gas: I mean Range/oven Water ...

Some companies are refitting steam power stations to hot basalt, where many tons of rocks are heated to 750°C by wind power and the thermal energy is used to generate steam in power stations. How much ...

So I just bought one of the 28W Big Blue portable solar panels on Amazon and got myself a cheap camera tripod from a local garage sale, all for an upcoming camping trip. I want to use the tripod to ...

How do I convert MTCE/ton to MTCO2E/metric ton? Should I multiply it by 1.1 (ton to metric ton) and then by 3.67 (MTCE to MTCO2E)? For example, take a look at Exhibit ES5 here. Recycling aluminum cans,...

I have just replaced water filters for the water filtration system recently. There are a total 5 filters. 1 of them is ceramic, the other 4 are made of other materials which could probably be opened ...

I was discussing with a friend about renewable resources in which you can generate and store power for a long time. In this one way which I know is hydropower where when you have huge requirement of ...

UHT is well known to be better for the environment, see e.g. https://www.newscientist.com/article/dn27898-so-many-milks-but-do-their-health-claims-really-stack-up/ However, our local council does not ...

Given how leaky natural gas infrastructure is, reducing my usage at home (by turning back the thermostat, or using more efficient appliances) will also result in reduced methane emissions throughout ...

Let's say I have a fixed amount of money that I can either spend on a complete solar PV system (panels, inverter, all the hardware and wiring) or a complete wind system (turbine, inverter, all the ...

Is cheese wax compostable? I have some Babybel cheese wax and I was wondering what to do with it.

I know it costs. But we got rid of chlorofluorocarbons and are preparing to eliminate stuff like coal! This in between. Proposal: By international agreement get rid of floatable PE, HDPE and PP and ...

Why is reducing the consumption of recyclables is better than recycling recyclables? Some recyclables can be recycled only a limited number of times (plastics) so I partially understand it. But other ...

Mealworms for birds are a cheap form of nutrition. Could they be processed at home in a way to make them healthy? Dried mealworms are sold as bird food for just under £8/Kg in the UK or $3/Kg from ...

[Cross-posted on Victron's community https://community.victronenergy.com/questions/85929/difference-in-solar-wattage-between-24v-and-48v-sy.html ] Background: I'm on a boat with a 48V system and a 24V ...

I recently replaced a 20-year-old ICE vehicle in need of significant repairs with a five-year-old ICE vehicle. We had hoped that we could buy an EV this time around, but models that meet our needs are ...

HC (I assum hydrocarbons) is a column in the euro emission standards for trucks & buses. Which hydrocarbons are produced and at what quantities? Would the particulate matter emissions be included ...

A transport expert claimed that a Euro 6 car has fewer NOx emissions than a Euro VI bus, surely this cannot be correct?! https://en.wikipedia.org/wiki/European_emission_standards Euro 6b (diesel car) -...

I was arguing with my wife over which dishwasher program to use. I want to use the eco program because it is most environmentally friendly, but she countered that the long program (3:30h) puts more ...

I am beginning to acquire knowledge to assemble my first self-consumption solar kit and I have been investigating what kind of solar panels I should use for a house of approximately 50 m2 with a ...

I live in the Maryland suburbs of Washington DC. On December 31, 2012, I signed a lease deal with SolarCity (now Tesla) to install solar panels on the roof of my home + associated electrical ...

How would one go about calculating the amount of electricity (kilowatt hour) produced from a quantity of, say, 1,000 liters of water per hour falling from a 20 meter fall through a hydro electric ...

I found this site looking for one specifically geared to picking products based on sustainability. I'm not sure if such a specifically-focused site would actually be more effective than this one. The ...

My impression is that carbon offset plans are a rather imperfect and somewhat temporary solution - but still seem to be a step in the right direction, and at least signal consumer demand for green ...

I have used worm bins before that we premade with plastic. They were nested bins such that the bottom of an upper tray was directly touching the scraps piled up in a lower tray. Worked well! Now at a ...

In this question on Super User they say that Solid-State Drives (SSDs) use much less power than traditional Hard Disk Drives (HDDs). I read some internet posts and research articles that backup this ...

I have Resol DeltaSol BX controller for my solar hot water which I would like to configure best for my situation but the wording is a bit puzzling for me to understand. It was installed about 9 years ...

Where I stay, theres a site (see intro here) nearby that used to be a coal gasification plant (produces coal gas for lightning etc.). The plant contaminated the soil with PAHs and heavy metals with ...

Is it possible to have a grid tied solar installation operate when power is out without a battery bank? All of the grid tied inverters I have found kick offline during power outages. This is a fine ...

Edited: I would like to spend money in the most effective ways (local tax considerations included) I understand that in order to be effective at tackling climate change there needs to be action at a ...