Tag: Food

Human vulnerability and food insecurity – rainfall and economy in Sub-Saharan Africa
For Sub-Saharan Africa, patterns in economic growth follow precipitation patterns closely. As rainfall has decreased over the last 30 years, so has the financial development. Rainfed agriculture represents a major share ...
12 May 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
The development potential - available land per capita, in land use class
The amount of land area available per capita provides a rough measure on the current carrying capacity for food security and for the development of additional agricultural products for export – such as biofuels. The calc...
12 May 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
World map of forest distribution (Natural resources - forests)
Approximately 240 million of the world's poor that live in forested areas of developing countries depend on forests for their livelihoods. Forest and its products provide cash income, jobs, and consumption goods for poor...
12 May 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Natural resource - water (freshwater run-off)
Freshwater – a natural resource which has been adopted as a human right by the UN in 2002: 'the human right to water entitles everyone to sufficient; affordable; physically accessible; safe and acceptable water for perso...
12 May 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Projected impacts of climate change
Global climate change may impact food production across a range of pathways (Figure 17): 1) By changing overall growing conditions (general rainfall distribution, temperature regime and carbon); 2) By inducing more ex...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in population, developed and developing countries, 1750-2050 (estimates and projections)
Each day 200,000 more people are added to the world food demand. The world’s human population has increased near fourfold in the past 100 years (UN population Division, 2007); it is projected to increase from 6.7 bill...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Many of the largest rivers in the Himalayas Hindu Kush region are strongly dependent upon snow and glacial melt for waterflow
Except for the fact that glaciers are melting rapidly in many places, we do not have adequate data to more accurately project when and where water scarcity will affect irrigation schemes in full. Making accurate projecti...
02 Feb 2009 - by Ieva Rucevska, UNEP/GRID-Arendal
Biofuels production 1975-2005 (ethanol and biodiesel)
Biofuels have grown quickly in demand and production (Figure 14), fuelled by high oil prices and the initial perception of their role in reducing CO2 emissions (FAO, 2008). Biofuels, including biodiesel from palm oil ...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Dietary change in developing countries, 1964-2030
As nearly half of the world’s cereal production is used to produce animal feed, the dietary proportion of meat has a major influence on global food demand (Keyzer et al., 2005). With meat consumption projected to incr...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
An increasing number of countries are leasing land abroad to sustain and secure their food production
The world regions are sharply divided in terms of their capacity to use science in promoting agricultural productivity in order to achieve food security and reduce poverty and hunger. For every US$100 of agricultural ...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Losses in the food chain – from field to household consumption
i.e., before conversion of food to feed. After discounting the losses, conversions and wastage at the various stages, roughly 2,800 kcal are available for supply (mixture of animal and vegetal foods) and, at the end ...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
FAO Commodity Price Indices
Although production has generally increased, the rising prices coincided with extreme weather events in several major cereal producing countries, which resulted in a depletion of cereal stocks. The 2008 world cereal s...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in productivity 1981-2003 (greening and land degradation)
Unsustainable practices in irrigation and production may lead to increased salinization of soil, nutrient depletion and erosion. An estimated 950 million ha of salt-affected lands occur in arid and semi-arid regions, ...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Agricultural production increases, per commodity 1965-2008
The use of fertilizers accounts for approximately 50% of the yield increase, and greater irrigation for another substantial part (FAO, 2003). Current FAO projections in food demand suggest that cereal demand will incr...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Possible individual ranges of yield and cropland area losses by 2050
Figure 24: Possible individual ranges of yield and cropland area losses by 2050 with climate change (A2 scenario), non-food crops incl. biofuels (six OECD scenarios), land degradation (on yield and area, respectively, s...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in food commodity prices, compared to trends in crude oil prices (indices)
The impacts of reduced food availability, higher food prices and thus lower access to food by many people have been dramatic. It is estimated that in 2008 at least 110 million people have been driven into poverty and ...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Potential for cropland expansion
Current projections suggest that an additional 120 million ha – an area twice the size of France or one-third that of India – will be needed to support the traditional growth in food production by 2030, mainly in deve...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Food lost
Food losses in the field (between planting and harvesting) could be as high as 20–40% of the potential harvest in developing countries due to pests and pathogens (Kader, 2005). Postharvest losses vary greatly among co...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Supermarket share of retail food sales
Large urban markets create the scope for the establishment of big supermarket chains, with implications for the entire food supply chain. In 2002, the share of supermarkets in the processed/packaged food retail market...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Food consumption – trends and projections
Increase in crop production has mainly been a function of increases in yield due to increased irrigation and fertilizer use. However, this may change in the future towards more reliance on cropland expansion, at the co...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
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