Ecological techniques for wildfire mitigation: Two distinct fuelbreak approaches and their fusion

•Green fire barriers are outlined with a focus on their working principles and methods for creation.•Green fire barrier approach is also compared with the shaded fuelbreak approach.•The integration of two major approaches constitutes the diversity of fire protection techniques.•Ecological techniques for wildfire mitigation are conceptually recognized and classified.•Tools are now available for constructing fire resilient landscape and green living environment.