Before revision: The agricultural expansion is often explained as a direct consequence of the global increase in food and energy requirements due to the human overpopulation ( which in turn has been attributed to agricultural expansion itself), with an estimated expectation of 10 to 11 billion humans on Earth by end of this century.
After revision: The agricultural expansion is often explained as a direct consequence of the global increase in food and energy requirements due to the human overpopulation and continuing population growth (both which in turn have been attributed to agricultural expansion itself), with an estimated expectation of 10 to 11 billion humans on Earth by end of this century.