Re GM crops the state of the art of intensive agriculture or a step too far? Discuss with reference to the conservation of nature.

This essay has very broad title. It would be nice to compare European perspective on GM crops with US views and mention current push of GM crops on developing countries, please include role of big-agrotech industries, putting patents on nature etc.

Referencing Requirements:
please have a look at:
earthopensource.org/index.php/reports/gmo-myths-and-truths
707/01/etc_won_report_final_color.pdf