Why Do Trees Die?

There are many reason why a might tree would die. The main reason why they die is root damage. If you damage the roots then the tree wont properly get nutrients and water into the tree. If that happens the tree will die. Also, if the roots are damaged then the tree becomes weak and more likely to fall over. that's never a good thing when you have a 100 foot oak tree falling through your living room.
 

Also a tree will die do to stress. If a road or a drive way gets put in to close to a tree it will basically kill itself. The tree know that it wont last long and just like ends its life because of stress. Also if the season is really dry or really wet it will stress the tree out causing it to die. If you nail too many nails into a tree then that too will cause stress and kill the poor little tree.

If your tree dies its important to get it properly taken down. If you attempt to take it down yourself then nothing good will happen from that. Just get a tree guy to come in a give you a good price. Dead trees are nothing to be messed with and are even dangerous for the person cutting it down. so many things can happen while cutting down a dead tree that could harm the climber. Just like if a branch breaks while your in  a tree because its so dead then you are done for.