Some cons that come with owning real trees are that there tend to be pests that live in the trees, they are often sprayed with pesticides making it harmful to your animals and yourself. Another con is that pine needles get everywhere in your home.
With fake trees, they are not only reusable but are cheap. The best part is you buy it once then you never have to purchase one again. Another pro is the fact it comes bug-free and is great for those with pine allergies.
The cons of fake trees include that they are made from non-recyclable plastics, these plastics also are linked to health and environmental problems. Fake trees are mainly from china which means it's been imported from overseas and uses fossil fuels.
The most eco-friendly Christmas tree is any locally grown tree that has little to no pesticides sprayed on it. If you decide on purchasing a fake Christmas tree then use it for a long time so that it will be more sustainable than buying a real tree.