The militant group, whose signatories include Ted Cullinan, Charles Jencks and Peter Ahrends, is furious at the recent aggressive policies undertaken by the Middle Eastern state.
The campaigners, who triggered outrage in Israel and parts of London's Jewish community at the beginning of this year, claim that architecture and planning have been 'hijacked'.
'For architects and planners, the horror is compounded by the knowledge that their field of expertise - the planning, creation and care of the built environment - has been hijacked and abused,' a letter to the AJ claims.
'Shunning diplomatic solutions to the crisis, Israel has gone on the rampage using deadly hi-tech weaponry, manifesting the connection between military operations and an horrific form of urban planning,' it goes on.
'It is a war game where architecture and planning are deployed as weapons of control in a theatre of destruction.
'Holding an entire state and its civilians as hostages, the Israeli army and airforce are 'reshaping' and 'cleansing' Lebanon, as they have for years in Gaza and the West Bank, with terrifying impact on the social, economic and human fabric,' the letter goes on.
To see the letter in full, visit www.ajplus.co.uk