Three products that are packaged in aluminium-free Tetra Pak cartons: Chocolate milk from Lactogal, a tropical fruit milk from García Carrión, and soy milk from Maeil Dairies in Korea. All are individual servings - around 200 mL.

The Ethical Guide to… Packaging: How bad is Tetra Pak?

Are Tetra Pak cartons awful, from an environmental viewpoint? Shelf-stable packaging has some big advantages of reducing food waste and the need for refrigeration. Tetra Pak’s aseptic cartons contain a layer of aluminium that’s hard to recycle but the company recently developed a paper-based barrier layer to replace the foil. Continue reading The Ethical Guide to… Packaging: How bad is Tetra Pak?

A photo of a stack of Blueland laundry detergent tablets, with the package behind them. Underneath is a graphic showing several third-party certifications, mentioned in the legend.

The Ethical Guide to… laundry detergent. Liquid, powder, pods, sheets, or tablets?

What kind of laundry detergent should we seek out, as ethical consumers? Both laundry pods and sheets are made from polyvinyl alcohol (PVA) so we’ll take a look at that. Powder is a good format and now it also comes pre-measured in the form of tablets. I tried out PVA-free tablets from popular brand Blueland and report back on that. Continue reading The Ethical Guide to… laundry detergent. Liquid, powder, pods, sheets, or tablets?

A photo of a carton of eggs from German supermarket REWE, displaying a heart bearing the message "Ohne Kükentöten" and respeggt.com

The Ethical Guide to… Eggs. In-ovo sexing takes off

For anyone gravitating towards a plant-based diet, it’s natural to wonder about which animal products cause the least harm. Eggs are a much better choice than cheese or meat, with much smaller environmental footprints. There are still ethical downsides to eggs (male chick culling) which are being addressed by advances in science and technology. Continue reading The Ethical Guide to… Eggs. In-ovo sexing takes off

A graph shows the average annual temperature in Central Park, NY, plotted from 1869 to 2025. A trendline for this data and notations on the graph shows that the typical average temperature has increased by around 4.6°F (from 51.7°F to 56.3°F). In Celsius this corresponds to a jump of 2.6°C (from 10.9°C to 13.5°C).

NYC temperature records: A scientific (not Fox-y) perspective

A meteorologist on the Fox Weather Channel showed a chart of record temperatures in New York’s Central Park. He drew attention to the fact that the record high was set all the way back in 1936 and commented that we need to put all of this talk of climate change in perspective. Let’s do just that! Continue reading NYC temperature records: A scientific (not Fox-y) perspective

A powerpoint-type slide shows three circles containing the words competence, relatedness, and autonomy. Underneath is the message: SDT's three basic psychological needs. (SDT = Self-determination theory). Graphic from a keynote talk by Richard M. Ryan

Self-determination theory and ethical consumption

In this post we’ll take a look at a psychological concept closely linked to eudaimonic happiness: Self-determination theory. Self-determination theory maintains that our three core psychological needs are competence, autonomy, and relatedness. Practicing ethical consumption can help us meet these needs. Continue reading Self-determination theory and ethical consumption