Currently, we put the highest weight to pollution - if the environment is polluted too much, the economy or safety cannot fulfill it.
World Population Prospects, 2 United Nations Statistical Division.
Land abandoned as a result of shifting cultivation is excluded.
No date was available from the Wikipedia article, so we used the date of retrieval.
Brazil is the reigning champion of the event, and it takes on Spain, who won Europe's last gold medal in 1992.
Cereal crops harvested for hay or harvested green for food, feed, or silage and those used for grazing are excluded.