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Cake day: August 19th, 2023

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  • qyron@sopuli.xyztoScience Memes@mander.xyzBaby elephants
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    4 months ago

    There is no need for sarcasm.

    We tend to forget Africa had great kingdoms, with advanced civilization standards, before colonial times. Those kingdoms ruled the largest continent on the planet for centuries and elephants were animals used for both work and war.

    Hanibal took elephants across the Alpes (most died) in order to invade Italy. I seriously doubt the general ordered his elephants from India.





  • You raise a good point and ending slavery should be a top concern.

    I’m in Portugal, and we’ve had a few cases of slavery and abused foreign workers here as well, which is shameful for us as a nation, but we have many good examples of good practices where applying technology improved production, lowered waste, turned out better product for the consumer and allowed for less use of hand labour but with higher salaries.

    The starting investment is high but the subsidies you mention could/should be converted into low or zero interest, long term loans and the money recirculated towards more improvements in the sector.

    Greenhouses do consume immense ammounts of fertilizers but water is better manageable under those conditions than sowing corn, which is well known for being a syphon for water and agro chemicals, and usually leaves the soils destroyed after a few years of intense farming.

    Any change for a better model done will a step forward. Cattle, as it is raised today, I don’t find it sustainable.







  • Not doubting your word, something doesn’t add up.

    There are hotels in my country that already buy and install dessalination plants, in order to save costs, to fill pools and fountains and even irrigate gardens.

    These instalations have steep requirements to be installed and the off products can’t be dangerous for return to environment, as the return often goes directly to the sea, through beaches.

    Concentrating the salt is also another intelectual itch for me. We naturally concentrate salt by evaporation. There are a few programs aimed at developing low energy/high efficiency processes to obtain salt from sea water. The few I was described involved using systems built around the pressure cooker working principle or purpose built enclosed systems alike to greenhouses to force the water out. I’d risk the processes would be useful to make use of the brines.








  • Good morning.

    Let’s call that example the canary in the mine but I’m seeing many similar situations where I live.

    Being in a less than urban area, there is still a bit of industry around and some factories are cutting staff and a few have already shut down operations, especially in sectors more closely related with end user products (clothing, footwear, yarn, etc). Industries with ties to industrial use (metal working, construction materials, wood and derivates) are keeping afloat but only replacing workers that go into retirement or that for some reason or another just quit, and these industries, in my understanding, are keeping afloat because of the hard push into more sustainable and efficient houses, which is forcing a good deal of public investment into large renovation projects and funds.

    Parallel to this, bakeries, coffee shops, small businesses that rely on consumption, are shutting down. For me, this implies there is less money floating around.

    Paired with the hike in housing…