Biotech seed companies are behind a wave of patent claims on dozens of 'climate-ready' genes. The patents cover the development of new crops capable of withstanding drought or other environmental changes wrought by global warming, according to a report released this week by a Canada-based activist group. The ETC Group in Ottawa, has documented 532 patents filed worldwide by agricultural and biotech companies, warning that major corporations are vying for a monopoly on science. (source: nature.com)
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