Thermostats; electric and electronic devices and computer software for the remote monitoring and control of, and electronic and audio interaction with environmental monitoring, control and automation systems; electric and electronic devices and computer software for the remote monitoring and control of, and electronic and audio interaction with, thermostats, heating and air conditioning apparatus, humidifiers, ventilating apparatus, smoke detectors and alarms, carbon monoxide detectors and alarms, fire detectors and alarms, proximity sensors, security and access systems, alarms and sensors, lighting, light sensors, motion sensors, moisture sensors, environmental hazard detectors, wireless local area network enabled cameras, and smart appliances; application software for use on computers and hand-held devices to enable the remote monitoring and control of, and electronic and audio interaction with, thermostats, heating and air conditioning apparatus, humidifiers, ventilating apparatus, smoke detectors and alarms, carbon monoxide detectors and alarms, fire detectors and alarms, proximity sensors, security and access systems, alarms and sensors, lighting, light sensors, motion sensors, moisture sensors, environmental hazard detectors, wireless local area network enabled cameras, and smart appliances; application software for use on computers and hand-held devices to monitor and control climate and energy usage from a remote location.;