The risk to water supplies at its manufacturing sites is shown on page 71 of 148 of its new sustainability report, hidden within Canon's global corporate website; you must hunt for it from the camera page. Indeed, even now, most top model cameras don't have features you can't find on similar models from other brands. Ignoring the dreadful white balance and the camera strap about to fall out of the buckle in the lead image, nothing stands out in the descriptions that makes me want to swap to Canon.
I should point out that Canon produces other equipment besides cameras. But have you changed your camera system lately? Are you contemplating it? What were the reasons that attracted you to a different brand? It would be great to hear your thoughts about why you would change in the comments.….