I've had a few discussions here regarding trees and issues with them. If you do have a problem tree and it needs felling then this guide will provide some critical information. You should be aware that cutting a tree down can be extremely dangerous and I have covered the safety issues in the guide. Hope this helps with anyone having tree problems.
http://hometipster.com/how-to-cut-down-a-tr...
http://www.networx.com/article/native-edge-f...