gas jpWDCGG collects, archives and distributes data provided by contributors on greenhouse gases (such as CO 2 , CH 4 , CFCs, N 2 O) and related gases (such asSAIBU GAS · 01. When you smell gas · 02. Intellent meter · 03. · 04. Type of gas you are using is · 05. Ventilate your rooms when using gas appliances. ·