Barrell On ... Tree risk not always a numbers game

How we assess the risk from trees matters because the consequences of getting it wrong can be both spectacular and devastating when a tree fails. Traditionally, arborists used their eyes and experience to work out what to cut off and what to leave. In retrospect, this was quite a hit and miss approach. But it worked because the risk from trees was kept very low - a legacy that we still enjoy today.

You must sign in to continue.

You can register for a 14 day free trial subscription, or Subscribe Now for full access. View subscription options.

Please enter your details

Forgotten Password?

Having trouble signing in?

Contact Customer Support at
or call 020 8267 8121, or refer to our answers to frequently asked questions.

Subscribe for full access

Direct Debit

Most people subscribe by direct debit.


Credit Card

Subscribe by credit card


or Register for a 14 day free trial subscription

Already subscribed but don't have a password?

Activate your web account here