42 Design and development of computer hardware and software for collecting, transmitting and evaluating environmental data in the field of environmental monitoring and control for analysis and for protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters; design and development of computer databases featuring environmental data in the field of environmental monitoring and control for analysis and for protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters; maintenance of database software in the field of environmental monitoring and control for analysis and for protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters; technological planning and design of installations for collecting, transmitting and evaluating environmental data in the field of environmental monitoring and control for analysis and for protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters; hosting of websites featuring technology for monitoring and controlling of devices for environmental monitoring and control, namely, of sensors, smoke alarms, carbon monoxide detectors, fire alarms, environmental hazard detectors, lighting articles and security alarms; providing technological consultancy in the field of technology for monitoring and controlling of devices for environmental monitoring and control, namely, of sensors, smoke alarms, carbon monoxide detectors, fire alarms, environmental hazard detectors, lighting articles and security alarms via a website; hosting of websites featuring technology for the automatic monitoring and control of devices for environmental monitoring and control, namely, of sensors, smoke alarms, carbon monoxide detectors, fire alarms, environmental hazard detectors and security alarms; providing technological consultancy in the field of technology for the automatic monitoring and control of devices for environmental monitoring and control, namely, of sensors, smoke alarms, carbon monoxide detectors, fire alarms, environmental hazard detectors and security alarms; scientific research, analysis and studies services in the field of environmental protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters; scientific research and development and surveying in the field of environmental monitoring and control for protection of natural resources, in particular for the early detection of environmental hazards for land, water and air and disasters, and providing information or advice related thereto; technical consultancy in the field of pollution detection; scientific research in the field of environmental protection; environmental consultancy services, namely, technical consultation in the field of environmental science; environmental testing and inspection services; environmental hazard assessment, namely, environmental testing and inspection services; technical consultancy in the field of environmental science namely, advisory services relating to research in the field of the safety of the environment, environmental hazards and disasters; rental of measuring apparatus, namely, sensors