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Fun fact: Lake Baikal in Russia contains 20% of the world's surface freshwater.
So Putin must be happy about this, unfortunately.
Wow. That would make it pretty similar to the great lakes.
And probably just as polluted. But like I told someone else, better polluted water than no water at all.
I mean we actually have a fair amount of regulation around it due to the Great Lakes Commission but its sorta diluted by it being a combination of states and provinces over two countries. I know indiana is alwaysa troublemaker with allowing bad things on michigan.
Indeed it is. I have the misfortune of living here (not close to the lake though) and reading the shit that goes on.
One of the biggest problems in the Great Lakes regions is there are dozens of major urban centers that not only draw their potable water from them, but also reintroduce their treated water back into the lakes ... and water treatment as it exists now can't remove the medication/drug/chemical cocktail.
So while the water is technically potable, in reality millions of people are drinking a mix of viagra, cocaine, fentanyl, diabetes meds, birth control, microplastics, and all the chemicals we flush down our toilets (ie: cleaning solutions).
It's really polluted though
Better polluted water than no water at all.
Seems arbitrary to exclude Antarctica.
Excluding it means we're talking about the portion of Earth that humans can actually live on
I realize it's a convenient landmass with one name, but there are other parts of the earth with very low population densities because they are so inhospitable, and it's not because they are dry.
It's convenient because it's the only continent without a native population. If you want to make an alternative calculation based on population density go for it.
There is no other landmass of relevant size without any human habitation.
Including Antarctica just wouldn't make sense.
This is an article about how the places humans live in are drying out.
Literally no one is permanently living in Antarctica. Some people stay there for a year, but they are 100% supplied with resources produced elsewhere.
And the continent is incredibly huge, so including it would skew the numbers.
Antarctica doesn't really count as land. Except the coast, the actual land is inaccessible, it's all covered in ice.
For now, anyway. Its melting is accelerating.
Antarctica doesn’t really count as land.
You're more correct than you know: even when it does all melt, what seems now to be a single continent is actually going to be more like a big archipelago:
(Not sure if isostatic rebound will eventually bring it all above sea level or not.)
I mean, yes, there's land there, but it's less than people think.
But they could count the land area of Antarctica in the calculation. There's no need to count the varying ice area.
Replying to myself with some facts I had to look up.
Antarctica seems to have about 14.2M sq km of land, almost all of which is permanently covered with ice. The total land area on earth is about 148.9M sq km. That makes Antarctica 9.5% of the land mass. So 40% (a bit round) drylands excluding Antarctica would mean 36% drylands including Antarctica. I'm suspicious of the 40% number, but the Guardian thinks I've read too many articles with an ad blocker recently.
Finding how much land outside of Antarctica is covered with ice is harder. One thing that tips the balance to Antarctica is that there isn't nearly as much land at the North Pole, although there is a lot of sea ice.
I found multiple estimates of Greenland ice area here. Seems like about 1.7M sq km may be a reasonable and recent estimate. That alone is 12% of the land mass of Antarctica. There are about 200,000 glaciers of various sizes elsewhere, but the largest seem to be under 10,000 sq km, so it's a bit daunting to total them up. They're also often measured by length rather than area, and in sub-polar regions they will change in size throughout the year. Ice caps on islands, meanwhile, may be larger than the land they sit on. So that's going to make it hard to determine land covered by ice.
If I try to find out the total amount of land not permanently covered by ice, if there is any inaccuracy or inconsistency at all the subtraction of one large number from another could give a wildly incorrect result.
Those calculation difficulties may be reason enough to treat Antarctica as special because of convenience, as I mention elsewhere. Is that a valid reason to write 40% instead of 36%? Sure, for lay writing.