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Cake day: 2025年3月22日

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  • Agreed completely. I set up a humanure system a couple years ago and it’s simple as can be. I get wood shavings for free from a local furniture shop, mix it with biochar, and use that as cover material. My bin hasn’t gotten hot enough to kill pathogens, so once it’s full I’ll just use it on my bushes & flowering perennials.

    I’m currently renting, so unfortunately I’m not able to set up a greywater pond/rain garden for sink and shower water, but that’s the end goal when/if I get a place of my own.






  • My yard used to be hard-packed clay where only the most tenacious weeds could survive (field bindweed, burdock, thistle, dandelion), so my first step was putting down multiple layers of heavy cardboard to smother them, then covering that with about a foot of wood chip. That killed the latter three and helped to start softening up the soil (worms move in when organic matter is present), but bindweed just pushed through the cardboard and wood chip, so I had to hit that with (selective, judicious) applications of herbicide. It was a hobby for the first year, but now my yard is weed-free and the soil is turning more rich and loamy!

    I’ve mostly used starts/seedlings to fill in my beds, but now that the weed pressure is lower I’ve started putting soil & compost over the mulch to encourage my plants to self-seed. I’m also filling in all the “blank spaces” with ground cover, to provide an additional barrier against weeds. A mature garden will require a little weeding now and then, but for me that’s something I enjoy (it’s a break from work, and time in the sun), and it’s definitely not as intensive as vegetable gardening.













  • Water is essential to human survival, so I would consider that a primary problem. Trace pharmaceuticals in drinking water aren’t great, but I would consider that a secondary (or even tertiary) problem, and a solvable one at that.

    To start, the vast majority of water use is agricultural (nearly 90% in Colorado, for example), and soil & plants provide 2 more layers of biofilters for any contaminants that might remain. This paper delves into that, although from the cursory glance I gave it’s not clear whether the concentrations are anywhere near an effective dose. My guess is no:

    Diazinon, enrofloxacin, florfenicol and trimethoprim accumulated also in leaves of lettuce, while florfenicol, levamisol and trimethoprim in carrot roots (Boxall et al. 2006); according to the author, the results of research carried out so far show a low risk of exposure to these substances through the consumption of vegetables.

    If recycled water was used purely for agriculture (drawing on watersheds & aquifers for drinking water), I imagine that would solve the scarcity issue while further diluting pharmaceutical contamination. When it comes to recycling drinking water, Harvard Health Publishing says that not much research has been done in this area, and I do think that’s important to look into if (when?) water recycling becomes more of a necessity.

















  • Some key findings from this report:

    • A review of 50 research articles finds there is strong evidence climate activism influences public opinion and media coverage, but it depends on the tactics used and the way the media covers the events.
    • There is moderate evidence that climate activism influences voting behavior and policymaker attention.
    • More research is needed on the influence of climate activism on policy change and environmental outcomes.

    The YPCC summarized the findings below:

    The review finds strong evidence that climate activism influences public opinion and media coverage, although the specific relationship depends on the kind of actions taken and the way the media covers the events. The evidence shows that protest usually increases support for the movement when protests are peaceful, but not when they are violent. But there was also evidence that the influence of activism on public perceptions could be positive or negative, depending on the tone of the media coverage of the protests.

    The review found moderate evidence that climate activism can influence voting behavior and policymaker attention. One study in Germany found that areas that experienced Fridays for Future protests had a higher share of the vote go to the Green Party, and that repeated protests increased the effect. Multiple studies in the UK found that protests successfully increase communications by policymakers about climate change or pro-climate actions.

    There was less evidence that climate activism leads directly to policy change or improvements in environmental quality. This is not necessarily because climate activism does not affect these outcomes or others we reviewed—it is likely because studies that capture these outcomes are difficult to conduct.