Food Security And Greenhouse Gases

Rising atmospheric concentrations of greenhouse gases are expected to affect food security through their impacts, both positive and negative, on agricultural productivity (FAO, 2003a). Impacts are generated through four mechanisms: CO2 fertilization, climate change, extreme weather events, and rising sea level. Agricultural production, a requirement for food security, also emits greenhouse gases. Emissions associated with land-use change and land degradation are particularly important in low-income, food-insecure countries.

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