Everyday consumer choices are responsible for 35% of global CO2 emissions, increasing to 65% if you include larger choices like what kind of car you drive and what kind of home you live in. While harder to quantify, consumer choices likely play an even larger role in other aspects of sustainability, like social responsibility and animal welfare. Further, survey after survey [1, 2, 3, 4, 5, 6, 7, 8, 9, …] report that large majorities of people want sustainable products, are willing to switch brands to get them, and are willing to pay more.
Given this demand and large potential for positive impact, why aren’t there any sustainable shopping tools with mainstream adoption? One possibility is that people are mostly virtue signaling. They say they want sustainable products, but deep down they don’t care that much. While somewhat true, it can’t be the full story. Even cutting survey results in half leaves a huge addressable market. Perhaps there aren’t enough products? But some Google searching for nearly any product will eventually surface more sustainable alternatives (case in point, try Googling “sustainable underwear” - a category for which virtue signaling surely isn’t the explanation).
While demand and supply both contribute to the difficulty of realizing the potential of consumer behavior, an under-appreciated challenge is where the two intersect - the actual shopping experience. For decades, there has been a standard approach that has consistently failed.
The “Standard Approach” to sustainable shopping
Step 1 in the standard approach is to define sustainability. This makes intuitive sense, but is actually a mistake. One of the first things I learned at Amazon was that sustainability is very personal. It means different things to different people.
The best analogy for this is health. Try to define a healthy product. Ask ten people and you’ll get ten answers, but you probably wouldn’t call any of them wrong. This doesn’t mean science isn’t important to the study of sustainability (just like with health), only that it’s insufficient. Attempting to define sustainability creates a “one size fits none” outcome. Further, there will always be a tension between wanting a rigorous standard that avoids even the hint of greenwashing, and wanting a large selection of products to provide a useful shopping experience.
Step 2 in the standard approach is to hire scientists to calculate scores based on your definition of sustainability. However, there is not enough publicly available data to do this and the problem grows exponentially with every dimension of sustainability you add. Carbon is hard enough, now try finding data for social responsibility, animal welfare, toxicology, diversity, and more. The more expansive your definition of sustainability, the harder it becomes to calculate scores.
Step 3 in the standard approach is to get scores in front of shoppers. Setting aside all the usual challenges of getting anything in front of shoppers, sustainability is just one of many things shoppers care about. In fact, it is and should be a secondary concern. Nobody should buy something because it’s sustainable. They should buy something because they have a need and the thing meets that need. After that, it should be sustainable. In the extreme, buying something solely because it’s sustainable is frivolous consumption good only for virtue signaling.
The final step in the standard approach is to realize (too late) that shoppers neither like nor understand numbers, so you color code things. The irony here is that what starts as a quest for a scientifically rigorous definition of sustainability ends up subjective in the end as there’s no objective way to draw the boundaries. More troubling is that now the scoring system unintentionally shames poor people who can’t afford brands like Patagonia because sustainability usually comes with a price premium. So people with budget constraints - meaning most people - are now subjected to a color scheme that shames them, even if they’re making a real sacrifice in their attempt to buy better.
What other approaches are possible?
If the standard approach doesn’t work, what will? Nobody can yet claim to have an answer, but luckily there are many possible avenues to explore. Broadly, a sustainable shopping experience should be three things: personalized, trustworthy, and convenient.
Personalization allows us to cater to each individual’s unique values while also meeting people where they’re at in terms of budgetary constraints. What makes a great sustainable choice for a broke college student is almost certainly not the same as for an overpaid tech employee (both of which I’ve been in my life). The option that’s best for someone passionate about social responsibility is likely not the best for someone trying to live a zero-waste lifestyle.
A sustainable shopping experience also needs to be trustworthy. Sustainability is what’s known as a “credence” attribute. It’s not a “search” attribute like price that you know before you buy. Nor is it an “experience” attribute like quality you learn about after you buy. Sustainability requires trust. Trust can come from the brand itself (think Patagonia), a certification, or even a friend.
Finally, a sustainable shopping experience should be EASY. Ideally, it displays the right information, to the right person, at the right time. It should recommend the option the person would have chosen if they had spent hours pouring over the details themselves. This includes taking into consideration the product attributes aside from sustainability that matter to the individual.
This is a tall order. Luckily, technology - especially advances in AI - are opening up new approaches to help people make more sustainable choices. I hope this article will help people avoid past mistakes while guiding them towards new and better alternatives.
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Very well written! This is exactly the thinking that led us to build Beni - a browser extension that recommends resale options while you shop online. When we were starting we found that, similar to your points above, a lot of shoppers wanted to buy more sustainably and they knew that theoretically they could probably find something great secondhand. The problem was that actually shopping secondhand felt way to overwhelming for most people. So we use AI to bring shoppers curated resale recs to make it super easy to actually make the switch. https://www.joinbeni.com/
Thank you for sharing your thoughts!!
This is such an well-distilled perspective - we're working to address these problems with the current sustainable shopping experience here at Commons. We're consumer app that translates your purchase data into an emissions estimate.
By using your own spending data, we can deliver personalized recs on how to reduce consumption or switch to more sustainable alternatives, without the shame!