We kinda fixed the ozone hole. We can't fix climate change. Not anymore, anyways.
Also, blind sheep have nothing to do with the ozone hole. We didn't know there was an ozone layer in the 17th century. We didn't know ozone existed. We didn't know UV light existed. Blind sheep couldn't have been affected anyways, the hole never covered Chile. If you're going to make something up, at least make it believable.