Zero Carbon involves
Using the natural forces that our environment provides, i.e. wind is a great and infinite sources of energy although variable its effectiveness of use varies from location to location. The goal this type of technology is to make use of this source of energy to offset your main energy requirements where possible.
Other means of generating energy will need to be put in place, as this can only be used a as supplementary form of energy. These other means could be in the form of solar, and water.