In the late ’60s artists learned afresh that they had a drive and responsibility to work in the world at large as opposed to the confines of gallery or museum, and the world many environmental artists sought was the vast open spaces of desolate and uninhabited landscapes. In the ’80s many artists feel a continued or renewed compulsion to work in the world, yet with the added factors of technology and the engagement of people. For many artists the public and technological issues are not simply abstractions, but dynamic forces and form-givers. The “Land Marks” exhibition was an ambitious and