Alternatively, consider plant based butter if you're concerned about climate change and don't want to support industrial animal farming (i.e. same reasoning behind plant based burgers which seem popular on here: make the product directly from plants instead of inefficiently feeding plants to cows first):

https://www.researchgate.net/publication/225411135_Comparati...

> The margarine products analysed here are more environmentally favourable than the butter products. In all three markets (UK, DE and FR) the margarine products are significantly better than the butter products for the categories global warming potential,eutrophication potential and acidification potential