9
votes
Should I replace existing inefficient light bulbs?
Sort of.
Consider the pay back time. high efficiency lights are expensive. Expense is, at least in part, a measure of the resources used to make it.*
Replacing the fixtures in the kitchen where the ...
- 7,247
3
votes
Can the production of herbal supplements (pills) be sustainable?
They definitely can be sustainable.
The crops themselves can easily be grown in a sustainable manner.
The plastic containers can be replaced with biodegradable containers, such as those made with ...
1
vote
What's the environmental impact of industrial sources of store-bought bagged soil? Is it a 'net positive' in terms of building soil & storing carbon?
Advice From the Dirt Doctor
This question is really multiple questions.
How well is bagged soil really "building soil"?
How is the soil built that I get in bags?
Is it storing carbon?
Does ...
- 570
1
vote
Best options for decarbonising steel production?
What are the most promising alternatives, in terms of the economics and scalability, to decarbonise steel production? Both for the reduction of iron oxide to iron, and for the iron-to-steel process?
...
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