• úvod
  • témata
  • události
  • tržiště
  • diskuze
  • nástěnka
  • přihlásit
    registrace
    ztracené heslo?
    TUHOKlimaticka zmena / Thank you so much for ruining my day
    YMLADRIS
    YMLADRIS --- ---
    YMLADRIS
    YMLADRIS --- ---
    DRSH
    DRSH --- ---
    Kůrovcová kalamita v Česku? Ústup od smrků měl přijít dřív, zaspal stát i lesníci, říká ekolog lesa | Plus
    https://plus.rozhlas.cz/...mita-v-cesku-ustup-od-smrku-mel-prijit-driv-zaspal-stat-i-lesnici-8223963
    DRSH
    DRSH --- ---
    V důsledku oteplování zřejmě smrky nahradí dub, extrémní klimatické jevy ale mohou změny naopak zpomalit | Plus
    https://plus.rozhlas.cz/...-oteplovani-zrejme-smrky-nahradi-dub-extremni-klimaticke-jevy-ale-8223030
    SHEFIK
    SHEFIK --- ---
    Německá vláda schválila národní vodíkovou strategii - Ekolist.cz
    https://ekolist.cz/cz/zpravodajstvi/zpravy/nemecka-vlada-schvalila-narodni-vodikovou-strategii
    DRSH
    DRSH --- ---
    V Česku usychají tisíce hektarů borových lesů. Důvodem je extrémní sucho, stromům chybí spodní voda | Hradec Králové
    https://hradec.rozhlas.cz/...-tisice-hektaru-borovych-lesu-duvodem-je-extremni-sucho-stromum-8223189
    TADEAS
    TADEAS --- ---
    New 3.6 GW PV-powered hydrogen project announced in Australia – pv magazine International
    https://www.pv-magazine.com/.../06/10/new-3-6-gw-pv-powered-hydrogen-project-announced-in-australia/
    JIMIQ
    JIMIQ --- ---
    Švajčiarsky parlament schválil uhlíkovú daň z letenky | Aktuality.sk
    https://www.aktuality.sk/clanok/797977/svajciarsko-parlament-schvalil-uhlikovu-dan-z-letenky/
    KEB
    KEB --- ---
    Z demontáže mořských větrných turbín se stává lukrativní byznys - Peak.cz
    https://www.peak.cz/z-demontaze-morskych-vetrnych-turbin-se-stava-lukrativni-byznys/23678/
    TADEAS
    TADEAS --- ---
    World faces worst food crisis for at least 50 years, UN warns | Society | The Guardian
    https://www.theguardian.com/...ety/2020/jun/09/world-faces-worst-food-crisis-50-years-un-coronavirus

    Harvests are healthy and supplies of staple foods such as grains are “robust”, according to the UN report on the impact of Covid-19 on food security and nutrition, published on Tuesday. But most people get their food from local markets, which are vulnerable to disruption from lockdowns.

    Increasing unemployment and the loss of income associated with lockdowns are also putting food out of reach for many struggling people. Though global markets have remained steady, the price of basic foods has begun to rise in some countries.

    Lockdowns are slowing harvests, while millions of seasonal labourers are unable to work. Food waste has reached damaging levels, with farmers forced to dump perishable produce as the result of supply chain problems, and in the meat industry plants have been forced to close in some countries.

    Even before the lockdowns, the global food system was failing in many areas, according to the UN. The report pointed to conflict, natural disasters, the climate crisis, and the arrival of pests and plant and animal plagues as existing problems. East Africa, for instance, is facing the worst swarms of locusts for decades, while heavy rain is hampering relief efforts.

    The additional impact of the coronavirus crisis and lockdowns, and the resulting recession, would compound the damage and tip millions into dire hunger, experts warned.

    ...

    Maximo Torero, the chief economist of the UN Food and Agriculture Organization, said the world’s food systems were under threat as never before in recent times, as the pandemic and lockdowns hampered people’s ability to harvest and buy and sell food. “We need to be careful,” he said. “This is a very different food crisis than the ones we have seen.”

    ...

    About 50 million people risk falling into extreme poverty this year owing to the pandemic, but the long-term effects will be even worse, as poor nutrition in childhood causes lifelong suffering. Already, one in five children around the world are stunted in their growth by the age of five, and millions more are likely to suffer the same fate if poverty rates soar.
    SHEFIK
    SHEFIK --- ---
    tohle je zajmavy / zhodnoceni jak si vedeme v boji proti zmenam klimatu

    Most Clean Energy Tech Is Not on Track to Meet Climate Goals - Scientific American
    https://www.scientificamerican.com/.../most-clean-energy-tech-is-not-on-track-to-meet-climate-goals/
    SHEFIK
    SHEFIK --- ---
    Tesla: ‘Notion that a sustainable future is not economically feasible is no longer valid’ | Energy Storage News
    https://www.energy-storage.news/...on-that-a-sustainable-future-is-not-economically-feasible-is-no-l
    DZODZO
    DZODZO --- ---
    PAD: jo nejake casove okno na max prikon by som si vedel predstavit, kedze uz teraz sa prisposobujem spotrebou pocasiu, je pravda, ze az budem mat elektromobil tak zrejme budem vyuzivat ten plny prikon castejsie, momentalne nic 3-fazoveho nepouzivam
    PAD
    PAD --- ---
    Dobra esej: https://www.technologyreview.com/...ons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/

    According to Lloyd’s of London, which in 2015 commissioned a study on food security, any single significant shock to the global food system “would be expected to generate major economic and political impacts.” But as Earth’s climate transforms into an environment human civilization has never before witnessed, we should realistically expect not one shock but an unending series of them. And this is presuming that global warming continues only at current rates, rather than accelerating nonlinearly as a result of the cascading feedbacks previously mentioned.

    All of this will happen day by day, month by month, year by year. There will certainly be “events,” like the events we’ve seen in the past decade—heat waves, massively destructive hurricanes, the slowdown in vital Atlantic Ocean currents, and political events connected to climate change, such as the Syrian civil war, the Mediterranean refugee crisis, France’s gilets jaunes riots, and so on—but barring nuclear war, we are unlikely to see any one global “Event” that will mark the transition we’re waiting for, make climate change “real,” and force us to change our ways.

    ...

    Climate change is happening—that much is clear. But the problem remains beyond our grasp, and any realistic solution seems unimaginable within our current conceptual framework. Although the situation is dire, overwhelming, intractable, and unprecedented in scale, however, it is not without historical analogues. This is not the first time a group of humans has had to deal with the failure of their conceptual framework for navigating reality. This is not the first time the world has ended.

    Poets, thinkers, and scholars have pondered cultural catastrophe again and again. The ancient Sumerian Epic of Gilgamesh tells the story of humans surviving civilizational collapse caused by ecological transformation: Gilgamesh “brought back wisdom from before the flood.” Virgil’s Aeneid tells of not only the fall of Troy but also the survival of the Trojans. Several books of the Torah tell how the Babylonian king Nebuchadnezzar conquered the Jewish people, destroyed their temple, and exiled them. That story provided later generations with a powerful model of cultural endurance.

    One historical analogy stands out with particular force: the European conquest and genocide of the indigenous peoples of the Americas. Here, truly, a world ended. Many worlds, in fact. Each civilization, each tribe, lived within its own sense of reality—yet all these peoples saw their lifeworlds destroyed and were forced to struggle for cultural continuity beyond mere survival, a struggle that the Anishinaabe poet Gerald Vizenor calls “survivance.”

    The experience of Chief Plenty Coups and the Crow, as Lear explains, is that after the coming of the white man and the passing of the buffalo, “nothing happened.” That is, when the Crow way of life collapsed, the Crow people could no longer find meaning for individual acts and occurrences within a rich web of shared signification, values, and goals. The Crow had survived, but they did not live as Crow had lived. In a strong sense, occurrences no longer had any meaning at all—which is to say there was no longer any such thing as an “event.” The Crow faced the destruction of their conceptual reality.

    Despite this, Plenty Coups offered his people a vision of a future in which meaning and events might once again become possible. He framed his vision through a dream he’d had of the disappearance of the buffalo. Within the dream, a chickadee teaches Plenty Coups to listen carefully, learn from his enemies, and “learn to avoid disaster by the experiences of others.”

    Today the Crow—just like the Sioux, the Navajo, the Potawatomi, and numerous other native peoples— live in communities that struggle with poverty, suicide, and unemployment. But these communities are also home to poets, historians, singers, dancers, and thinkers committed to indigenous cultural flourishing. The point here is not to glamorize indigenous closeness to “nature,” or to indulge a naive longing for lost hunter-warrior values, but to ask what we might learn from courageous and intelligent people who survived cultural and ecological catastrophe.

    So we have to confront two distinct challenges. The first is whether we might curtail the worst possibilities of climate change and stave off human extinction by limiting greenhouse-gas emissions and decreasing atmospheric carbon dioxide. The second is whether we will be able to transition to a new way of life in the world we’ve made. Meeting the latter challenge demands mourning what we have already lost, learning from history, finding a realistic way forward, and committing to an idea of human flourishing beyond any hope of knowing what form that flourishing will take. “This is a daunting form of commitment,” Lear writes, for it is a commitment “to a goodness in the world that transcends one’s current ability to grasp what it is.”

    Nevertheless, the fact that our situation offers no good prospects does not absolve us of the obligation to find a way forward. Our apocalypse is happening day by day, and our greatest challenge is learning to live with this truth while remaining committed to some as-yet-unimaginable form of future human flourishing—to live with radical hope. Despite decades of failure, a disheartening track record, ongoing paralysis, a social order geared toward consumption and distraction, and the strong possibility that our great-grandchildren may be the last generation of humans ever to live on planet Earth, we must go on. We have no choice.

    https://www.technologyreview.com/...ons-from-a-genocide-can-prepare-humanity-for-climate-apocalypse/
    PAD
    PAD --- ---
    PAD: Anebo nejaky pruznejsi zpusob prodeje. Rekneme ze budu mit pripojeni 3X25A, ale bude mi to garantovano minimalne 8h denne, v minimalne 2 hodinovych blocich (podobne jako s HDO/"nocnim proudem"). Pak si das panely na strechu, pojedes z nich, ale kdyz nebude svitit, tak holt budes muset jet budto na baterky, nebo pockat, az elektrina bude z gridu. Ja bych na tohle asi pristoupil.
    PAD
    PAD --- ---
    DZODZO: Uz jsem cetl nazory, ze vzhledem k tomu, jak je ten trh uz dnes regulovany, tak ze se proste bude muset zvysovat skokove prave poplatek za pripojeni. Ten argument je, ze ty si platis vlastne ten komfort, ze mas kdykoliv 3x25A k dispozici, i kdyby jsi odebral za rok jen rekneme 1MWh. Distributor a vyrobce tak musi udrzovat v chodu celou tu infrastrukturu, aby tohle bylo mozne.

    Cili opravdovou alternativou je opravdu jen ostrovni system. Off-grid & fuck-off!:)
    DZODZO
    DZODZO --- ---
    PAD: tak teraz platim za istic 99 (3x25A), tak snad to nedvihnu skokovo na 199
    PAD
    PAD --- ---
    DZODZO: Pred nedavnem jsem tu daval propocty zalozene na simulacich (nakalibrovanych na realny trh), ze kterych celkem jasne vyplyva, ze jadro je ekonomicky vyhodnou soucasti mixu. Ze jakmile zvysis podil OZE nad +- 50%, zacnou ti vyrazne rust naklady na distribuci a jeji stabilizaci (baterie, precerpavacky, dodatecna vedeni, atp). To je zaver i te analyzy uhelne komise, ktera byla nedavno rozebirana v DenikuN (myslim, ze minuly tyden) - muzeme mit plne pokryti OZE, ale bude to velmi drahe a take mene spolehlive (neco kolem 1600 hodin v roce, cili asi 2 mesice, kdy bychom museli elektrinu dovazet).

    Ja mam dnes jediny problem s JE - je to geopoliticke rozhodnuti, ktere kdyz padne, nepujde jednoduse zvratit. Pokud to tu dostanou Rusove, tak jsme v prdeli. Bude to tady prolezle agenty s velmi dobrym krytim, korupci to proroste i na lokalni uroven, proste nebude to pro nas vubec dobre. Pokud by nasim partnerem ve stavbe novych JE byla nejaka demokraticka zeme, tak jsem s tim uplne ok. I kdyby to melo byt drazsi. (Oblibene klise: Nejsem tak bohaty, abych si kupoval levne veci.)

    A ohledne toho, ze "mna sa to zvysenie cien elektriny zas az tak nedotkne" - pokud jsi pripojeny ke gridu, tak muzes ocekavat, ze zvednou i pausal za jistic, takze oni si zpusoby, jak lidi za tech 20 let podojit najdou, o to strach nemam;)
    DZODZO
    DZODZO --- ---
    PETER_PAN: no bude to tak drahe, ze si to zaplatime vsetci v cenach elektriny, aspon sa prestane nadavat na solarny tunel a zacne sa nadavat na jadrovy tunel... a mne to vlastne moze byt jedno, mna sa to zvysenie cien elektriny zas az tak nedotkne
    PETER_PAN
    PETER_PAN --- ---
    TADEAS: Tohle je zajimave.

    1] Babis samozrejmne retoricky nekde na urovni retarda, ale rika jen ze je problem vubec v ramci Green Dealu komunikovat JE jako cisty zdroj. Tohle ma ideologickou a geopolitickou rovinu, ale fakticky je to arbitrarne urcena vlastnost a cesta se kterou se nepocita. A pocitat by se s ni melo.

    2] Brabec poukazuje na ten geopoliticky aspekt.
    -- "Tady se někdy dává do kontrapunktu cena obnovitelných zdrojů, ale uvádí se právě ty offshorové větrné elektrárny a je porovnávána Česká republika s Německem. Já říkám, že bohužel Česká republika nemá moře."
    To je vecna a pravdiva poznamka.

    O co jde. CR je vnitrozemsky stat, zeme ktera je exportne zamerena na maly prumysl (subdodavatelsky) a automobilovy prumysl. Jaka bude bilancni strategie kdyz budeme muset dovazet elektrinu z Nemecka a v ramci EU postupne zlikvidujeme automobilismus? Ne vazne, tohle je otazka narodniho hospodarstvi. Co budeme vyvazet v ramci stabilizace obchodni bilance? Kurovcove drevo?

    Tady je jeste problem ze dekarbonizace i elektromobily prichazeji pozde. Ty strukturalni zmeny prijdou ted a nastup elektromobilu uz ted vic zrychlit nejde. (Z pohledu evropskeho automotive do toho nastoupili vsichni a ve vyvoji jsou vsechny firemni zdroje. VW ma platformu MEB ktera ho stala mrte miliard, ostatni tlaci na pilu jak to jde. Blokovali to svoji liknavosti a navazanim na fosil dlouho, ale ted v tuhle chvili do toho busi vsichni a uz to o moc vic urychlit nejde.)

    Takze stav kdyz ty omezeni automobilismu budou tak enormni ze provozovat auto na denni bazi nebude smysluplne realne hrozi. V tu chvili zadna technologicka next-gen nebude moc prijit protoze to nepujde z ceho zaplatit (protoze nebudou ty prodeje, infrastruktura, proste cele to prostredi) a ta uroven mobility, svobody a skalovatelnosti lidskych cinnosti bude vyznamne poskozena. Tohle je jeden z duvodu proc subvence do automotive (ale i jinych prumyslovych odvetvi) davaji smysl, byt na prvni pohled se podporuje korporat misto lokalnich investic. Pri nejake vyznamne urovni poskozeni toho prumysloveho prostredi uz to pak nepujde vzit zpet. Na tehle hranici laviruje ted JE, od urcite urovne destrukce infrastruktury a prumysloveho provazani to zkolabuje a pak budou moc zeleni aktiviste rict - my jsme vam to rikali jak to bude drahe. Ano na zaklade lzivych argumentu ktere 30 let opakovali zpusobili destrukci a pak rikali ze je to zdestruovane.
    Kliknutím sem můžete změnit nastavení reklam