Abstract: A system configured to disperse particulate matter can include a container, an elevation subsystem, and a dispersal subsystem. The container can hold and dispense a pressurized liquid and can be refilled with new pressurized liquid. The elevation subsystem can elevate and lower the container between a ground level location and a raised location in the atmosphere. The dispersal subsystem can be coupled to the container, receive the pressurized liquid therefrom, convert the pressurized liquid into a gas, and disperse the gas into the atmosphere at the raised location. The gas can be configured to react with the atmosphere to result in the suspension of particulate matter within the atmosphere. The pressurized liquid can be sulfur dioxide, the particulate matter can include sulfates, the raised location can be within the stratosphere or higher, and the system can be transferred between and operable with multiple separate ground based stations.

Abstract: A system configured to disperse particulate matter can include a container, an elevation subsystem, and a dispersal subsystem. The container can hold and dispense a pressurized liquid and can be refilled with new pressurized liquid. The elevation subsystem can elevate and lower the container between a ground level location and a raised location in the atmosphere. The dispersal subsystem can be coupled to the container, receive the pressurized liquid therefrom, convert the pressurized liquid into a gas, and disperse the gas into the atmosphere at the raised location. The gas can be configured to react with the atmosphere to result in the suspension of particulate matter within the atmosphere. The pressurized liquid can be sulfur dioxide, the particulate matter can include sulfates, the raised location can be within the stratosphere or higher, and the system can be transferred between and operable with multiple separate ground based stations.

Abstract: A motorized scooter is disclosed that has a computing platform and wireless communications capabilities on board. Some embodiments relate to selecting a wireless communication system for transmitting messages from the motorized scooter. Some embodiments relate to detecting intrusion into a compartment of the scooter and responding to the detected intrusion. Some embodiments relate to detecting theft of the scooter and responding to the detected theft.