One way to decrease the size of our ecological footprint is to increase consumption rates decrease consumption rates reduce the size of a biologically productive area in a region none of these; it is not possible to change the size of an ecological footprint

Answer: Decrease Consumption Rates

Explanation: Ecological footprints is an accounting tools used by governments and some educational institutions to measure the amount of biologically productive land and sea area. These biologically productive area includes crop lands, fishing grounds and forests. The products of these are used mostly for consumption. Thus, the only way to reduce our ecological footprints is to cut down on our consumption rates.