WE4F Quiz

Check your knowledge about the water-energy-food-nexus by filling out this quiz. You can only choose one answer per question! Drop by the exhibition area to discuss about the answers. 1 How much of the food produced worldwide would you guess is being lost within the supply chain from post harvest up to, but excluding, the retail level? 14% 33% 7% 2 Particularly high are the losses of fruits and vegetables in Sub Saharan Africa. Considering a supply chain consisting of on-farm post harvest operations, storage, transportation, processing & packaging and wholesale and retail, where can the highest losses be expected in Sub Saharan Africa? On farm post-harvest operations Transportation Storage 3 Which of the following sustainable approaches can be adopted by farmers on site and in further steps of the supply chain to minimize post harvest food loss? Solar Drying Solar Cooling Solar powered Ice Production Solar Milling All of them and more 4 What is your best guess on how many people in Sub Saharan Africa currently have access to electricity and how the estimation for 2030 looks like? From 65% to 70% From 50% to 60% From 80% to 85% 5 95% of staple food needs to be cooked before they can be eaten. How many people die from household indoor air pollution, due to inefficient cooking practices using polluting fuels? 3.8 million every year 1 million every year 14.3 million every year 6 75% of people without access to electricity are spread across just a few countries worldwide. How many countries do you think it is? 5 countries 32 countries 20 countries 7 In 2000, about 1.3 million households in developing countries used solar home systems (SHSs). How many were there in 2018? 500,000 households 1 billion households more than 4 million households 8 How does sustainable energies improve people’s live? All of them Solar lamps allow people to work and study longer in the evenings Water desalination and purification can aid the availability of clean water Efficient technologies reduce the time spent by women and girls on basic survival activities (gathering firewood, fetching water, cooking, etc.) Renewables help to tackle climate change