this post was submitted on 27 Jul 2024
8 points (90.0% liked)

Climate - truthful information about climate, related activism and politics.

6395 readers
236 users here now

Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

Recommended actions to cut greenhouse gas emissions in the near future:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 5 points 8 months ago (2 children)

For better or worse (definitely worse), we're going to stroll right into the horrors that global warming is going to give us. We won't start making necessary changes until it's way way past any tipping points.

The people that care have no power. The people in power are driven by capitalist profit motives.

If you're a sci-fi nerd like me we can hope aliens or a true AGI will take over and save us lol. Short of that I have no confidence, mad max dystopia by 2100 or sooner.

[–] [email protected] 4 points 8 months ago (2 children)

It doesn't take aliens or a true AGI; it takes stopping fossil fuel use, ending deforestation, and phasing out a few trace chemicals. Do that, and we end the rising temperatures

Making that happen is a matter of seizing power from those who profit from the current system of extraction and burning.

[–] [email protected] 3 points 8 months ago (2 children)

Oh I totally agree with you, but

a matter of seizing power from those who profit from the current system of extraction and burning.

This is the problem. To say this wouldn't be easy is a huge, gargantuan understatement.

The power and control is so far reaching and deep into the foundation of our society, I can't help being cynical. By using politics and propaganda techniques huge portions of the population have been convinced that global warming either isn't real, isn't important, or is actually a good thing. And this is only one hurdle to overcome along with many others.

The question is how do we seize power back.

[–] [email protected] 3 points 8 months ago (1 children)

“Those who make peaceful revolution impossible will make violent revolution inevitable."

[–] [email protected] 2 points 8 months ago

I'm a bit dubious that revolutions can be effective nowadays against a well organised oppressive state with present tools (propaganda, police, surveillance, corruption). All revolutions have failed over the last few decades (Iran, Venezuela, Syria, Tunisia then Arab Spring, etc.).

[–] [email protected] 1 points 8 months ago

The answer varies a lot between countries. In ones where elections determine who holds power, they're a viable path to achieving change.

[–] [email protected] 1 points 8 months ago (1 children)

Well yeah but...

Even if tomorrow we start really working on getting the CO2 levels down (protip: we won't), humanity will be spending half their world energy budget for the next 50-100 years at least to get CO2 levels back to what they should be (pre industrialized levels). Even if we go for something more semi reasonable, say pre 1980 levels, we'll still be spending half our entire world energy budget on this for like a decade. This ain't an easy problem

[–] [email protected] 1 points 8 months ago (1 children)

No not easy. It's way cheaper to avoid making it worse than it is to try and put things back the way they were.

[–] [email protected] 1 points 8 months ago

The next generations after us are facing shit storms. This all boils down to thermodynamics. We took energy at the cost of generating CO2. Taking that CO2 back, aggregating, filtering, converting, storing... Add in losses (be generous and take 50% conversion rates), we will need multiple times all the energy we took over the last two centuries to take all that CO2 out.

When I said decades of spending half our energy budget, I was very VERY generous. Reality is that we might have to be doing that for centuries, maybe.

[–] [email protected] 1 points 8 months ago

The great filter is upon you.