The environmental household account book, it is intended to calculate the CO2 emissions of energy, such as electricity, gas and water to be consumed at home. Powered by grasping the amount of CO2 which is discharged at home, stacking the data, delete the CO2 and energy wasteful You will be able to connect to decrease. Energy saving at home is directly linked not only reduce CO2 emissions, economy in power consumption and saving of household expenses. Cool Net Tokyo is provided "Household Eco-Account Book application", by all means, let's start with today! Since it can be downloaded free of charge, please try!