In doing so, special attention should be given to the anticipated changes to the natural environment brought about by climate change and the need to adjust crops to these new conditions. There is an urgent need to make agricultural production environmentally sustainable, while at the same time substantially raising productivity. Commodity exporters, in particular those exporting fuels, metals and minerals, face considerable challenges linked to the volatility of their real exchange rate, Dutch disease, high income inequality, strong dependence on imported food, environmental degradation, and lack of diversification.