And what he calls for is a "global ecological conversion".
The discovery of nuclear winter and other global ecological consequences of a nuclear holocaust tells us it wouldn't.
The cost, however, is to place global ecological security in the somewhat shaky hands of the global financial marketplace.
It treats climate change as one part of a global ecological crisis, which can only be solved by a radical change of the perception, and treatment, of nature.
The Prince of Wales's Charitable Foundation last year gave £200,000 to the Soil Association, which campaigns to "minimise the local and global ecological footprint" of food.
In economics, we talk about "externalized costs": this means the way that you and I pick up the real cost of oil production with local and global ecological degradation or wars fought on behalf of the oil corporations.
According to the leaked document, the pope will praise the global ecological movement, which has "already travelled a long, rich road and has given rise to numerous groups of ordinary people that have inspired reflection".
The Right Livelihood Foundation promotes scientific research, education and public understanding of issues related to global ecological balance, eliminating material and spiritual poverty and contributing to lasting world peace and justice.
"Poverty, underdevelopment, inequality within and among countries, together with the worsening global ecological crisis, sum up the dark shadow under which most of the world lives," Mr. Mbeki said in his speech.
Our research and development approach ensures that the model maintains a robust methodology which can inform and advance human activity anywhere in the world at a time of global ecological challenge.
The new paper is one of a package of articles on the global ecological situation released on Wednesday by the journal Nature as part of the lead-up to Rio+20, a global sustainability summit meeting in Rio de Janeiro.
