He said more needs to be done because of the “monumental” problems that face the environment as population numbers “rocket” and traditional societies become more consumerist. There needed to be more “honesty” about the fact the “cultural” pressures keep the global birth rate high.

The Prince also said the traditional religious views of the sanctity of life, which are often used to oppose the use of condoms and other contraceptives, must be balanced with the imperative to live within the limits of nature.

SEE ALSO: -WHITE BABIES TO BECOME MINORITY IN 2011-