Being an ethical consumer can become this huge thing. Sometimes it's difficult to know where to start. Or you might not see the point at all. In which case it's good to think about it in terms of what you care about. This aspect is as big or small as you want it to be. The global market is huge, it effects everything, and tackling its ethics is daunting but there are structured ways that you can guide yourself through the maze of products and come out the other end with a shopping basket you are happy to vouch for.
I've always liked picking up clothes second hand. Mostly because of the price, the part of your brain that loves a bargain lights up when you find something for $5 that would have been $50. But recently I've been actively trying to shop second hand more and more.
Sheep are eating the planet. This is only one of many things I took away from reading George Monbiot's book Feral, subtitled Searching fro Enchantment on the Frontiers of Rewilding. If you are interested in man's relationship with the natural world and preserving the wild spaces still left to us on this planet it is definitely worth a read.
A case study in trying to be a better human.
Andrew Morgan's 2015 documentary is an informative and in depth look into the fast fashion industry and the consequences it is having on our planet. Those consequences are scary and the lesson here is that there's no such things as cheap. It just means somebody else is paying.