Sustainable Living Stack Exchange
Sustainable Living Stack Exchange

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I've read that black locust is poisonous to sheep, so will installing black locust poles poison sheep also?

I'm looking at putting black locust posts around my field, but I've read that black locust is poisonous to sheep, but they're excellent fencing poles as they last forever and need no treatment with chemicals. Will the sheep eat the black locust…
a coder
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How accurate are consultant pre-construction energy assessments?

For power plants where the energy that could be generated is driven by exogenously variable factors, such as wind farms, PV power plants, and run-of-river hydro, which are all driven by weather, how accurate are the forecasts that are commissioned…
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Which part of the process of estimating wind resource has the potential greatest benefit from further research?

Estimations of the potential generation resource of wind power happens at all scales from very coarse global estimates, to detailed estimates at individual sites based on specific locations and specific choices of turbine. And this happens at…
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Is there a recent study that shows how accurate wind turbine wake models are?

Wind-turbine wake models are used in the design of wind farms, to optimise the choice of turbine model, and the layout of the turbines. They're also sometimes used in the operation of wind farms, to maximise generation. What is the evidence on the…
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How sustainable is McDonald's espresso?

In my everyday life I drink my espresso in small cafés that sell espresso made from coffee beans certified as ecological and fair trade. Exceptionally I drink espresso at McDonald's if there is no alternative, e.g. at airports or train…
orschiro
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What are the advantages and disadvantages of using lidars over sodars for wind resource assessment?

The process of wind resource assessment has used a variety of methods over the years; more recently, lidar - radar-style sensing using lasers; and sodar (similar, but using sound) have come to dominate. What the pros and cons of using lidar, over…
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How should biochar be used in a forest soil?

Is there a good way to put biochar into a forest, or should it be in there before you plant the forest?
a coder
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Reference request - Overview over established solar thermal desalination technologies

I'm looking for an overview of established solar thermal desalination technologies. The wiki page is remarkably poor on sources. "Established" means there is a large scale plant (>50 m³/d) or many small scale plants with several years 'uptime'. The…
mart
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Is there any engineering discipline concerned with recycling?

I was searching for stand-alone bachelor degrees in the field of Engineering related to recycling. Is there a particular discipline in the engineering field concerned with the various ways and approaches to recycling? If not, what is the academic…
egy
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If coffee pods are made of aluminium, what are the negative environmental effects?

The boss of Nespresso has called coffee pods an environmental disaster. One of my friends recently commented: Coffee pods are the environmental equivalent of beating baby seals to death. I'm trying to work out why. We can recycle aluminium cans.…
hawkeye
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Battery Positive Terminal Growth

I'm living in an off-grid house with battery power storage. Batteries are one of the most expensive and problem prone aspects of off-grid power. I have a battery bank in which some of the batteries are experiencing positive terminal growth. This is…
Henry
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In terms of usefulness for compost, what are good alternatives to keeping chickens?

My city's policies on keeping chickens makes it difficult to use them for their composting abilities. I'm looking for alternatives. By my understanding, chickens can take insects and weeds (two major garden problems) and creates nitrogen rich…
William Denny
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Choice between Expanded or Extruded Polystyrene Insulation Boards

Am living in Lahore, Pakistan, and these days in process of my house construction. Note, here locally we have concrete flat roofs. Summer time maximum temperature upto 50C, and in winters minimum temperature -1C. Looking for a Insulation board for…
Omar S Chaudhry
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Hotel communal living

I want to purchase a hotel and sell rooms that have been renovated into tiny apartments that can accommodate one couple. Living together will reduce costs for all and the rent can reinvested in green tech for the hotel. Are there any obvious…
Bad Wolf Trading Company
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Are bats and chickens good animals for pest control?

In an effort to keep bugs down in a food forest, would it be a good idea to use chickens for day time pest control, and bats as night time pest control?
a coder
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