If you read that UN climate report and felt like doing something, well, replacing Ziploc bags with washable silicone bags probably won’t save our future, sorry. But it certainly doesn’t hurt! And they can actually pay for themselves over time, since you won’t have to keep buying disposable bags at the store.
This company sent me a set of of these bags to test out, and they work great. I’ve washed them in the dishwasher without issue, and even used them as sous-vide bags to cook some steaks. I even fully submerged them to make sure the tops wouldn’t let any water in, and indeed they didn’t.