If global temperatures increase by 1 degree Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary research from the Penn State College of Health and Human Development, Purdue University College of Sciences and Purdue Institute for a Sustainable Future. Results from a new article published today (Oct. 9) in Proceedings of the National Academy of Sciences indicated that warming of the planet beyond 1.5 C above preindustrial levels will be increasingly devastating for human health across the planet.  

Climate-driven extreme heat may make parts of Earth too hot for humans. A study findings revealed that a rise of 2 degrees Celsius above preindustrial levels would subject the 2.2 billion inhabitants of Pakistan and India’s Indus River Valley, the one billion individuals in eastern China, and the 800 million residents of sub-Saharan Africa to prolonged periods of heat exceeding human tolerance each year.

  • Paragone@lemmy.ml
    3·
    1 year ago

    There is a Powerlaw underlying global temperature, in the interglacial-times:

    280-ish parts-per-million CO2 as the baseline…

    The 9th-root-of-2 times that, gives you what CO2 level produces 1C global warming.

    280*(9th-root-of-2)^2 gives you what ppm CO2 produces 2C global warming.

    280*(9th-root-of-2)^3 gives you what ppm CO2 produces 3C global warming.

    All the way up to 9C.

    All the simulaitons which contradict the measured polar heating, the mega-rivers IN Greenland’s ice, etc, are red herrings, and relying on them is incompetent: the evidence has already falsified their predictions.

    Here is the paper:

    https://www.nature.com/articles/nature19798

    Notice that even not counting all the other greenhouse-gasses, like methane, sulfur-hexafuoride, etc, we already have guaranteed that the planet must stabilize at more than 5C,

    … not the 1.5C or 2C that the simulations-which-contradict-evidence predict.

    This powerlaw is measured, historical fact.

    Delusionally ignoring it … isn’t worthy of respect, OR able to create viability for our species.

    I don’t know that there will be any life left, in the tropics, within 1 century.

    400+ cubic-km/year melting, now, iirc, and still accelerating, darkening the albedo of the planet…

    : \