Use of English PRO

(0) LIVING (LIVE) 'off-grid' (1) ............ (ESSENTIAL) means living without access to public utilities and services, such as electricity, gas and water. Some people decide to drastically change their way of living, either for financial or (2) ............ (ETHIC) reasons, or both, and in return cut down on their carbon footprint and financial outgoings. Already popular as a way of life in Africa, it is something to which more and more people in the (3) ............ (WEST) world make the change each year. It is estimated that 1.7 billion people now live (4) ............ (DEPEND) 'off the grid'. (5) ............ (INCREASE), governments encourage their citizens to install equipment in their homes, such as solar and wind power generators, in order that the environmental impact of global over-(6) ............ (POPULATE) may be reduced. (7) ............ (EVENT) , by generating your own energy, and by doing so in a well-designed, (8) ............ (THERMAL) insulated building, you could be able to sell excess energy to the national energy grid. So, you could be living off the grid and selling to the grid at the same time.