Food security and global environmental change emerging challenges 1 one framework for research it is clear that important though food production is many other factors also need to be 2 importance of considering multiple scales and levels the food systems approach has also helped to . Global environmental change can increase the vulnerability of societys food security from a holistic point of view of the food system this texts seeks to contextualize the link between food security and global environmental change by means of a literature review the study points out the risks posed to brazils food security and its . Speaking at the launch of a special report on climate change and land by the un intergovernmental panel on climate change in geneva experts highlighted how the rise in global temperatures linked to increasing pressures on fertile soil risked jeopardizing food security for the planethumans affect more than 70 per cent of ice free land and a quarter is already degraded noted valerie masson . Global environmental change gec represents an immediate and unprecedented threat to the food security of hundreds of millions of people especially those who depend on small scale agriculture for their livelihoods as this book shows at the same time agriculture and related activities also contribute to gec by for example intensifying greenhouse gas emissions and altering the land surface
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