Untreated wastewater from cities is used to irrigate 50 percent more farmland worldwide than previously thought, leaving some 885 million people exposed to the risk of diseases, including diarrhea and cholera, a study said on Wednesday.
Chaque année, l’Européen moyen jette près de 123 kilos de denrées alimentaires, dont 97 kilos sont parfaitement consommables, selon une étude publiée par le magazine Environmental Research Letters.
The world loses a staggering one-quarter to one-third of all food
produced for human consumption, according to the World Bank’s quarterly
Food Price Watch report, with the developed world leading the wastage.
The world is losing 25 to 33 percent of the food it produces –
nearly 4 billion metric tons - according to estimates from the
World Bank, the Food and Agriculture Association (FAO) and the
World Resources Institute.
In regions suffering from malnourishment, such as Africa and
South East Asia, this translates as 400 to 500 calories per
person per day and in the developed world up to 1,520 calories.