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Canadian permafrost thaws 70 years earlier than predicted

reuters.com

41–50 of 251 posts

Re: Canadian permafrost thaws 70 years earlier than predicted

#41
> The vista had dissolved into an undulating sea of hummocks - waist-high depressions and ponds known as thermokarst. Vegetation, once sparse, had begun to flourish in the shelter provided from the constant wind.

I understand the threat. I'm curious why the change described above though isn't somewhat welcome. It would seem that--at least temporarily--areas that are habitable now will become inhospitable, while areas that are not habitable now will be more welcoming.

Re: Canadian permafrost thaws 70 years earlier than predicted

#42
post #27

Global warming is the single scariest existential threat our species has ever faced, and we aren't doing nearly enough to tackle it. Our future descendants will heap scorn and curses on our generation, and we deserve every bit of it. Every politician that refuses to do what is necessary or finds it convenient to play stupid language games about 'settled science' is doing incalculable harm. As citizens, I encourage ev…

Or.... not.

Re: Canadian permafrost thaws 70 years earlier than predicted

#43
post #27

Global warming is the single scariest existential threat our species has ever faced, and we aren't doing nearly enough to tackle it. Our future descendants will heap scorn and curses on our generation, and we deserve every bit of it. Every politician that refuses to do what is necessary or finds it convenient to play stupid language games about 'settled science' is doing incalculable harm. As citizens, I encourage ev…

I've seen a few sites that suggest much of this is based on our orbit [1]. If that is true, then the oceans may be about to dump ludicrous amounts of Co2. Hopefully we can find a way to turn that into fuel. [1] - https://www.youtube.com/results?search_query=milankovitch+cy...

While the relationship between orbit and climate is well documented, I'm unaware of any credible science to suggest that "much of this" (taken to mean the current observed warming) is due to this factor.

Re: Canadian permafrost thaws 70 years earlier than predicted

#45
post #27

Global warming is the single scariest existential threat our species has ever faced, and we aren't doing nearly enough to tackle it. Our future descendants will heap scorn and curses on our generation, and we deserve every bit of it. Every politician that refuses to do what is necessary or finds it convenient to play stupid language games about 'settled science' is doing incalculable harm. As citizens, I encourage ev…

I've seen a few sites that suggest much of this is based on our orbit [1]. If that is true, then the oceans may be about to dump ludicrous amounts of Co2. Hopefully we can find a way to turn that into fuel. [1] - https://www.youtube.com/results?search_query=milankovitch+cy...

Wow. Three non sequiturs in three sentences.

There are sites that suggest any number of things. Unspecified "sites" have little bearing on the actual facts.

I'm not sure that Milankovitch Cycles imply the dumping of CO2.

> Hopefully we can find a way to turn that into fuel.

This is the silliest and most thermodynamically backward thing I've read in a year. CO2 is burnt carbon. It's burnt. Burnt stuff ain't fuel; it's burnt.

Re: Canadian permafrost thaws 70 years earlier than predicted

#46

> The vista had dissolved into an undulating sea of hummocks - waist-high depressions and ponds known as thermokarst. Vegetation, once sparse, had begun to flourish in the shelter provided from the constant wind. I understand the threat. I'm curious why the change described above though isn't somewhat welcome. It would seem that--at least temporarily--areas that are habitable now will become inhospitable, while areas…

In short, corresponding methane emissions.

Re: Canadian permafrost thaws 70 years earlier than predicted

#47
post #7

Maybe I don't understand the ramifications of this, but it kind of sounds like we missed the offramp where we just stop burning carbon. Shouldn't we just be moving to something drastic like a massive sun shade project ASAP?

Climate engineering to stop global warming seems to me like trying to remove a bullet by shooting it out from the other side

It depends on what do you mean by climate engineering. If you mean randomly dumping large amounts of sulfur in stratosphere then it is exactly like shooting another bullet, but if it is done by more controlled devices it is like using a scalpel. In any case waiting the for body to heal naturally is not going to work. And i think it is very unfortunate that any mention of using technology to fix the problem gets ridiculed and downvoted out of view by the the people who care about environment.

Re: Canadian permafrost thaws 70 years earlier than predicted

#48
post #27

Global warming is the single scariest existential threat our species has ever faced, and we aren't doing nearly enough to tackle it. Our future descendants will heap scorn and curses on our generation, and we deserve every bit of it. Every politician that refuses to do what is necessary or finds it convenient to play stupid language games about 'settled science' is doing incalculable harm. As citizens, I encourage ev…

Our future descendants will heap scorn and curses on our generation

Assuming there is a future generation :P

Re: Canadian permafrost thaws 70 years earlier than predicted

#49

This phenomenon is curious, in a morbid sort of way. There is literally no way to stop it; we are, as Noam Chomsky fears, a lethal mutation. We developed the ability to create industrial and economic activity on such a scale, and with such sophistication, that we've overcome the planet's ability to cope, but we have no mechanism in place that seems remotely capable of remedying that situation without a global catastr…

It's especially tragic because any attempt to fix the situation implicitly crushes nations that are presently bootstrapping themselves into industrialization. E.g. major "developed" countries got a free ride on cheap, dirty fossil fuels. But now the climate is going to shit, and if by some miracle they managed to get themselves to carbon-negative (lol sure), you'd also have to prevent other developing nations from going down the cheap/dirty fossil fuel route themselves.

Which is crazy when you think about it. How's that going to work? Is the US and the EU going to give up half their GDP subsidizing clean energy in foreign nations to prevent further carbon release? Subjugate those countries to forcibly prevent them from industrializing?

It's truly a tragedy of the commons writ large. Short of some breakthrough in carbon sequestration or cold fusion or whatever, we're pretty screwed no matter how you look at it :(

Re: Canadian permafrost thaws 70 years earlier than predicted

#50

Earlier quoted context omitted.

I've seen a few sites that suggest much of this is based on our orbit [1]. If that is true, then the oceans may be about to dump ludicrous amounts of Co2. Hopefully we can find a way to turn that into fuel. [1] - https://www.youtube.com/results?search_query=milankovitch+cy...

Wow. Three non sequiturs in three sentences. There are sites that suggest any number of things. Unspecified "sites" have little bearing on the actual facts. I'm not sure that Milankovitch Cycles imply the dumping of CO2. > Hopefully we can find a way to turn that into fuel. This is the silliest and most thermodynamically backward thing I've read in a year. CO2 is burnt carbon. It's burnt. Burnt stuff ain't fuel; it's…

Are you familiar with photosynthesis?
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