6 ms·

According to my naive knowledge: 1. We have more ozone holes now. 2. We weren't constantly in direct contact with sunlight. If you move past very early stages

According to my naive knowledge: 1. We have more ozone holes now. 2. We weren't constantly in direct contact with sunlight. If you move past very early stages, we had shelter in forests, caves, tents, igloos. 3. When we were in direct contact with sunlight, we had a darker skin, which is more resilient to that. Correct me if I'm wrong.

onion2k 6y ago
We have more ozone holes now. The global ban on CFCs (https://en.wikipedia.org/wiki/Montreal_Protocol https://en.wikipedia.org/wiki/Montreal_Protocol) is working, and although there are still big holes that open and close every year we're on the way to getting back to pre-1980 levels of holes by 2060. https://public.wmo.int/en/media/news/record-breaking-2020-ozone-hole-closes https://public.wmo.int/en/media/news/record-breaking-2020-oz...
- TheSpiceIsLife 6y ago
  Maybe, if China would curtail their CFC usage perhaps. ...A recently reported slowdown in the decline of the atmospheric concentration of CFC-11 after 2012, however, suggests that global emissions have increased... We show that emissions from eastern mainland China are 7.0 ± 3.0 (±1 standard deviation) gigagrams per year higher in 2014–2017 than in 2008–2012, and that the increase in emissions arises primarily around the northeastern provinces of Shandong and Hebei. This increase accounts for a substantial fraction (at least 40 to 60 per cent) of the global rise in CFC-11 emissions. https://www.nature.com/articles/s41586-019-1193-4 https://www.nature.com/articles/s41586-019-1193-4 Still, the Montreal Protocol is a good example of what can be achieved when we finally reach an imminent crisis.
  - Gravityloss 6y ago
    That's from 2019, they have since reduced the leaks, this from 2021: https://www.nature.com/articles/s41586-021-03277-w https://www.nature.com/articles/s41586-021-03277-w
    - TheSpiceIsLife 6y ago
      Great news, thanks for the update.
CalRobert 6y ago
Moving to the country and being outside for 8+ hours of the day finally made it clear that cowboy hats, sombreros, etc. don't have wide brims just for fashion.
- gibspaulding 6y ago
  This was my thought. Traditional clothing for people who live and work outdoors in sunny climates generally does not feature a lot of exposed skin. I'm pretty sure that the "shorts and a t-shirt" summer wear is a fairly modern phenomenon.
notahacker 6y ago
Nobody counting skin cancer deaths and saying "this is completely avoidable and dying at that age is abnormal" back then either...

onion2k 6y ago

We have more ozone holes now. The global ban on CFCs (https://en.wikipedia.org/wiki/Montreal_Protocol https://en.wikipedia.org/wiki/Montreal_Protocol) is working, and although there are still big holes that open and close every year we're on the way to getting back to pre-1980 levels of holes by 2060. https://public.wmo.int/en/media/news/record-breaking-2020-ozone-hole-closes https://public.wmo.int/en/media/news/record-breaking-2020-oz...

TheSpiceIsLife 6y ago
Maybe, if China would curtail their CFC usage perhaps. ...A recently reported slowdown in the decline of the atmospheric concentration of CFC-11 after 2012, however, suggests that global emissions have increased... We show that emissions from eastern mainland China are 7.0 ± 3.0 (±1 standard deviation) gigagrams per year higher in 2014–2017 than in 2008–2012, and that the increase in emissions arises primarily around the northeastern provinces of Shandong and Hebei. This increase accounts for a substantial fraction (at least 40 to 60 per cent) of the global rise in CFC-11 emissions. https://www.nature.com/articles/s41586-019-1193-4 https://www.nature.com/articles/s41586-019-1193-4 Still, the Montreal Protocol is a good example of what can be achieved when we finally reach an imminent crisis.
- Gravityloss 6y ago
  That's from 2019, they have since reduced the leaks, this from 2021: https://www.nature.com/articles/s41586-021-03277-w https://www.nature.com/articles/s41586-021-03277-w
  - TheSpiceIsLife 6y ago
    Great news, thanks for the update.

CalRobert 6y ago

Moving to the country and being outside for 8+ hours of the day finally made it clear that cowboy hats, sombreros, etc. don't have wide brims just for fashion.

gibspaulding 6y ago
This was my thought. Traditional clothing for people who live and work outdoors in sunny climates generally does not feature a lot of exposed skin. I'm pretty sure that the "shorts and a t-shirt" summer wear is a fairly modern phenomenon.

notahacker 6y ago

Nobody counting skin cancer deaths and saying "this is completely avoidable and dying at that age is abnormal" back then either...