"The North Atlantic just completely destroyed its June average temperature record, breaking the previous record by more than 0.4 °C (0.7 °F).
A stunningly sharp excess for such a large body of water."
The end is near, The end is near, the time has come. No escape found, As we witness the damage we’ve done.
Earth will be fine. Humanity will be fine. We will likely just move away from coastal areas.
Definitely a concern but humans are resilient and very adaptive.
It’s also worth note that this is mostly caused by the ban on sulfur emissions a couple of years ago. The commission that banned sulfur emissions from ships basically decided that they were going to do a big geo engineering experiment and they were going to do it not in favor of humanity against global warming, but in favor of global warming against humanity.
And they decided to cut off emissions really quickly so that we get this massive incredible hilariously bad spike instead of slowly tapering off over time.
Will not completely go extinct is not the same as fine. Even ignoring climate refugees and all that, let’s look at a simple thing: food supply.
The mathematics of global famine are quite simple. Add all the calories that earth produces in one day on average and divide it by 1500. That’s the amount of people that can exist.
Now, like 70% off all calories come from just 3 crops: rice, corn and wheat. As a good approximation, all of those lose about 10% harvest yield for each 1 degree C in temperature rise. It’s not really linear and is better at the beginning (so like 5% for the first degree), and much worse further on. But in general the approximation works.
Humanity now produces about 1.5x of the food supply we need, and even with super-optimized logistics we’re not going to get it lower than 1.2–1.3x population, since a lot of food gets wasted by cafes/restaurants and people themselves. Some just gets bad because it’s not consumed in time or takes too long to deliver or sell.
And with the current temperature rise estimations we’re looking at losing caloric supply for about 20% of the entire population in the next 20 or so years.
And that’s just one example. Have you seen rivers of dead fish in Australia and the states? For each species there is a point when the water gets too hot to hold enough oxygen or to cool down their bodies, and then bam — the whole species dies in a day. Right now, some algae, corals and plankton are like 1.5 degrees away from mass death.
It’s not really that “fine”.
Sorry for the rant.
An excellent write-up of what will unfold.
One note is that the food loss won’t just be linear. It will be chaotic within the probabilities you noted. Crop loss is effectively a weather event and, as such, a chaotic one. That means extreme events will be the driving force behind food shortages. Namely, heatwaves will cause extensive loss of crops in specific areas. Over some years, that will average down, but people don’t eat long-term averages; they eat daily. So we should expect significant one-time impacts. That is, the severity is not the average but rather the peak.
Is anyone readying a list of climate criminals? Individuals. Not companies. What are we going to do with them? Real consequences.
I’d like to point out that there are other spikes in the temperature historically. So while the temperature is rising year over year, the large increase here may be an anomaly.
Let’s keep working on reducing our CO2 emissions…
But this spike is spikier than the last el Nino spike, so even if spikes do occur, this is the spikiest spike so far.
Something I’d heard about climate change many years ago was that it would happen almost imperceptibly slowly at first, then suddenly when we reach the tipping point, it would start happening very rapidly. I think we’re right at the sharp edge of that tipping point and things are going to get very interesting very quickly.
It’s related to the old-timey curse that sounds like a complement. “May you live in interesting times”, because as interesting as it may be to read in the history books, It wasn’t as fun for the people living in those times.
El Nino strikes again
