this post was submitted on 15 May 2026
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Climate

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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:

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Trump is giving the world a very expensive lesson in fossil fuel dependence. Now is the time to invest in companies that are moving us towards this green future, but how?

ETFs are garbage, IMO. Supposedly "green" ETFs have polluters like Shell, Boeing, CrApple, Total, Transocean, and so much more. According to a report in 2021, 70% of companies in "sustainable" ETFs are "misaligned" aka greenwashing.

I found private investment / crowdfunding companies that allow ESG investments, but recently watched a video that the entire market (private equity in general) was heading off a cliff and to divest ASAP. It hasn't spooked me completely as it's just a video, but I need to do some research.

Regardless, these are the ones I found:

My questions to y'all: how do you invest in green tech? Can you recommend alternatives to the ones I named?

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[–] Kind_to_Everyone@slrpnk.net 4 points 2 days ago

Private investment almost invariably has negative returns, and even ESG ETFs are sketchy as you note.

As others have written, for positive returns, focus on capital investments in your own life. I have a solar subscription with a 10% IRR and recently replaced my pool pump with a variable speed one: $2,000 installed that saves $300/annum with an average lifespan of ten years for an 8.1% IRR.

Go solar. Replace your gas heat with a heat pump. Install on demand or electric heat pump water heaters. Swap your gas car for an electic.

Vote both at the ballot and with your wallet against MAGA policies.

[–] Jimny_Crkt@slrpnk.net 3 points 3 days ago

I consider the money I spent installing solar panels on my house an investment. My electric bill is less than $10 per month. If the stock market tanks, my electric bill will still be less than $10 per month. I helped support a local solar company and a solar manufacturer.

For investing, I use https://fossilfreefunds.org/ to help screen funds. Like you ate discovering, "ESG" is a broad term that gets slapped on a lot of things that may not fit your definition.

Sphere is one fund in particular that uses their voting power to try and steer the companies whose stock they hold away from fossil fuels.

[–] cravl@slrpnk.net 13 points 4 days ago (1 children)

Similar to what Birch said, invest locally. It has a way higher chance of being used responsibly and you might even get to see the positive effects firsthand.

[–] atro_city@fedia.io 2 points 4 days ago (1 children)

Yes, but how? I can't just walk up to somebody and go "hey, here's my money". How does that work?

[–] br3d@lemmy.world 4 points 4 days ago

A good UK example is Ethex. There you can say "Here's my money" and lend to small sustainable projects. I've lent money to a community energy project, for example, and am getting a 6% return on that

[–] Birch@sh.itjust.works 11 points 4 days ago (2 children)

My experience? 99% of green tech, like almost all other startups, is either trying to reinvent the wheel, solely depending on VC, banking on legislative change that will never happen, green in name only, or just a straight up scam. And investing itself is part of the problem, because a lot of the business nowadays is just appearances to attract investors, cash out, move on. You can't invest in any company and hope they stay true to their word, because sooner or later some MBAsshole is going to maximize shareholder value the place either into the ground or into suck-the-planet-dry for profit country.

Where does that leave you? Use your money and invest in yourself, your home, your family, possibly build a doomsday bunker or a self sustaining farmstead.

[–] foxymochakitten@slrpnk.net 3 points 4 days ago

If OP hopes to retire or purchase a home (or farm land) someday, investing is pretty much a necessary part of that. I won't say it's true for every case but it's probably true for OP. Spending all your money isn't a great long-term financial strat (though the farmstead plan, if someone can somehow afford it without investing, seems pretty damn solid to me)

[–] atro_city@fedia.io 2 points 4 days ago (1 children)

Where does that leave you? Use your money and invest in yourself, your home, your family, possibly build a doomsday bunker or a self sustaining farmstead.

With what money, my dude? My home? You must be joking. Family? I don't see how giving them money is "investing".

build a doomsday bunker or a self sustaining farmstead

Again, with what money? That's the purpose of investing.

Your suggestions make me think you are rich enough to live in a different world. Suggesting investing a home....

[–] bss03@infosec.pub 2 points 3 days ago* (last edited 2 days ago)

I don’t see how giving them money is “investing”.

A stronger community has benefits that are harder to quantify, particularly in dollars and cents. On the flip side, truly local communities and the network of obligations, debts, favors, etc. can survive even when a fiat currency crashes.

"The best place to store excess food is in your neighbor's stomach."

Remember: never invest anything you can't afford to lose -- anything that you can't afford to lose needs to be saved, not invested.

[–] jol@discuss.tchncs.de 6 points 4 days ago (1 children)

Been using GoParity for a couple years. I can't say if I'm making or losing money at this point. 7 our of 20 projects I've I veste din have delayed payments, and one even went bankrupt. GoParity does go hard after the companies to bring payments back to normal, but still... Definitely don't invest money you can't afford loosing.

[–] atro_city@fedia.io 1 points 4 days ago

Thanks for that insight. I had a look at their website and they have companies with a C rating on there with A being the max. That made me raise an eyebrow.

[–] Yaky@slrpnk.net 4 points 4 days ago (1 children)

Same, most ESG-based ETFs that I have seen just sound like some sort of numbers fudging instead of reasonable effort.

The more specilized green-adjacent and less "generic" ETFs I found are:

  • ETHO for very diversified companies (only one holding is over 1%)
  • TAN for solar
  • FAN for wind
  • EVX for trash and recycling (kind of a moot point of making money on pollution though)
  • FIW for water tech (supply, filtering, plumbing)
[–] boonhet@sopuli.xyz 1 points 2 days ago

TAN and FAN are genius tickers for what they are.

I was kinda hoping to find something that's all renewables + nuclear but no fossil fuels. But I think individual energy type ETFs are easier to find.

[–] Tehdastehdas@piefed.social 2 points 4 days ago* (last edited 4 days ago)

Important post, thank you. I'm looking for the same solution.

A post by me that doesn't solve the problem, but is somewhat relevant:
"How much of your money is invested in evil corporations? Some advice for ethical investing"
https://feddit.uk/post/24222258

[–] Pucker8736@piefed.social 2 points 4 days ago

Carbon collective has pretty good funds IMO

[–] pageflight@piefed.social 2 points 4 days ago

Is your goal financial return, or promoting an environmental / energy efficient future? Both? I think people usually mean the former when they say "invest" but it might mean either.

If it fits your goals, looking for a community solar or municipal energy plan with a green/local option can provide additionality, and 'less climate catastrophe' / 'more energy independence' are kinds of return on investment I value.

Though I'd also like my retirement funds to be supporting / depending on value from non fossil fuel.

[–] bss03@infosec.pub 2 points 4 days ago

I'm in a bunch of ESG stuff, but that label is very squishy, so you have to do a lot of research on the individual fund(s) to figure out if their current investments and future strategy align with your goals. It's my retirement plan, and there's not enough yet, so I compromise a bit to have good returns without exhausting myself researching. E.g.: https://fundresearch.fidelity.com/mutual-funds/summary/09260W600

If you plan to stay where you are at, you could invest locally. Your municipality (and county and state and nation) probably issues bonds, and even if you've missed the initial sale, you can often buy them on the secondary markets.

It increases your risk, but you could also invest directly in specific green companies -- buying stock if they are publicly traded, or buying stock/equity by contacting the company directly (or via your broker).