§¿§Ü§à§ã§Ú§ã§ä§Ö§Þ§Ñ §à§Ò§í§é§ß§à §à§á§â§Ö§Õ§Ö§Ý§ñ§Ö§ä§ã§ñ §Ü§Ñ§Ü §Ü§à§Þ§á§Ý§Ö§Ü§ã §Ó§ã§Ö§ç §Ø§Ú§Ó§í§ç (§â§Ñ§ã§ä§Ö§ß§Ú§Û, §Ø§Ú§Ó§à§ä§ß§í§ç, §Þ§Ú§Ü§â§à§à§â§Ô§Ñ§ß§Ú§Ù§Þ§à§Ó) §Ú §ß§Ö§Ø§Ú§Ó§í§ç (§á§à§é§Ó§Ñ, §Ü§Ý§Ú§Þ§Ñ§ä) §Ü§à§Þ§á§à§ß§Ö§ß§ä§à§Ó, §Ó§Ù§Ñ§Ú§Þ§à§Õ§Ö§Û§ã§ä§Ó§å§ð§ë§Ú§ç §Ü§Ñ§Ü §æ§å§ß§Ü§è§Ú§à§ß§Ñ§Ý§î§ß§Ñ§ñ §Ö§Õ§Ú§ß§Ú§è§Ñ §Ó §à§á§â§Ö§Õ§Ö§Ý§Ö§ß§ß§à§Û §à§Ò§Ý§Ñ§ã§ä§Ú. §¬§Ñ§Ø§Õ§í§Û §Ü§à§Þ§á§à§ß§Ö§ß§ä §ã§á§à§ã§à§Ò§ã§ä§Ó§å§Ö§ä §á§à§Õ§Õ§Ö§â§Ø§Ñ§ß§Ú§ð §Ù§Õ§à§â§à§Ó§à§Ô§à §ã§à§ã§ä§à§ñ§ß§Ú§ñ §Ú §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§Ú §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §Ó §è§Ö§Ý§à§Þ. §´§Ñ§Ü§Ú§Ö §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í, §Ü§Ñ§Ü §Ý§Ö§ã§Ñ, §Ó§à§Õ§ß§à-§Ò§à§Ý§à§ä§ß§í§Ö §Ú §Ý§å§Ô§à§á§Ñ§ã§ä§Ò§Ú§ë§ß§í§Ö §å§Ô§à§Õ§î§ñ, §Ú§Ô§â§Ñ§ð§ä §Ó§Ñ§Ø§ß§å§ð §â§à§Ý§î §Ó §Ô§Ý§à§Ò§Ñ§Ý§î§ß§à§Þ §Ü§â§å§Ô§à§Ó§à§â§à§ä§Ö §Ó§à§Õ§í. §±§â§Ú§Ù§ß§Ñ§ß§Ú§Ö §ï§ä§à§Û §â§à§Ý§Ú §Ú §Ó§Ù§Ñ§Ú§Þ§à§Õ§Ö§Û§ã§ä§Ó§Ú§ñ §à§Ò§à§Ú§ç §Ü§à§Þ§á§à§ß§Ö§ß§ä§à§Ó §Ú§Þ§Ö§Ö§ä §â§Ö§ê§Ñ§ð§ë§Ö§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö §Õ§Ý§ñ §å§ã§ä§à§Û§é§Ú§Ó§à§Ô§à §å§á§â§Ñ§Ó§Ý§Ö§ß§Ú§ñ §Ó§à§Õ§ß§í§Þ§Ú §â§Ö§ã§å§â§ã§Ñ§Þ§Ú.
§¹§Ñ§ã§ä§à §á§à§ã§ä§å§Ý§Ú§â§å§Ö§ä§ã§ñ, §é§ä§à §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§ð§ä §è§Ö§Ý§í§Û §â§ñ§Õ ?§å§ã§Ý§å§Ô?, §Ü§à§ä§à§â§í§Ö §Þ§à§Ø§ß§à §Ü§Ý§Ñ§ã§ã§Ú§æ§Ú§è§Ú§â§à§Ó§Ñ§ä§î §Ü§Ñ§Ü: §Ñ) §ã§ß§Ñ§Ò§Ø§Ö§ß§Ú§Ö §á§à§ä§â§Ö§Ò§Ú§ä§Ö§Ý§î§ã§Ü§Ú§Þ§Ú §ä§à§Ó§Ñ§â§Ñ§Þ§Ú, §ä§Ñ§Ü§Ú§Þ§Ú §Ü§Ñ§Ü §á§Ú§ë§Ñ §Ú §Ó§à§Õ§Ñ; §Ò) §â§Ö§Ô§å§Ý§Ú§â§à§Ó§Ñ§ß§Ú§Ö, §Ó§Ü§Ý§ð§é§Ñ§ð§ë§Ö§Ö, §Ó §é§Ñ§ã§ä§ß§à§ã§ä§Ú, §à§é§Ú§ã§ä§Ü§å §Ó§à§Õ§í §Ú §á§â§Ö§Õ§à§ä§Ó§â§Ñ§ë§Ö§ß§Ú§Ö §ï§â§à§Ù§Ú§Ú; §Ó) §ã§â§Ö§Õ§å §à§Ò§Ú§ä§Ñ§ß§Ú§ñ §à§Ò§Ö§ã§á§Ö§é§Ú§Ó§Ñ§ð§ë§å§ð §Ø§Ú§Ù§ß§Ö§ß§ß§í§Ö §è§Ú§Ü§Ý§í §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §Ó§Ú§Õ§à§Ó §Ú§Ý§Ú §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§ð§ë§å§ð §Ô§Ö§ß§Ö§ä§Ú§é§Ö§ã§Ü§à§Ö §â§Ñ§Ù§ß§à§à§Ò§â§Ñ§Ù§Ú§Ö §Ù§Ñ §ã§é§Ö§ä §Ü§Ñ§é§Ö§ã§ä§Ó§Ñ §Ú §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§Ñ §Ö§ã§ä§Ö§ã§ä§Ó§Ö§ß§ß§à§Û §â§Ñ§ã§ä§Ú§ä§Ö§Ý§î§ß§à§ã§ä§Ú §Ú§Ý§Ú §ã§å§Ò§ã§ä§â§Ñ§ä§Ñ §Õ§Ý§ñ §â§í§Ò, §Ú §Ô) §Ü§å§Ý§î§ä§å§â§å, §Ü§à§ä§à§â§Ñ§ñ §á§à§Õ§â§Ñ§Ù§å§Þ§Ö§Ó§Ñ§Ö§ä, §ß§Ñ§á§â§Ú§Þ§Ö§â, §ï§ã§ä§Ö§ä§Ú§é§Ö§ã§Ü§Ú§Ö, §ä§å§â§Ú§ã§ä§Ú§é§Ö§ã§Ü§Ú§Ö §Ú §Õ§å§ç§à§Ó§ß§í§Ö §å§ã§Ý§å§Ô§Ú (TEEB, 2010).
§³§à§Ô§Ý§Ñ§ã§ß§à §á§â§à§Ó§Ö§Õ§Ö§ß§ß§à§Û §Ó 2011 §Ô§à§Õ§å §à§è§Ö§ß§Ü§Ö, §à§Ò§ë§Ñ§ñ §ï§Ü§à§ß§à§Þ§Ú§é§Ö§ã§Ü§Ñ§ñ §è§Ö§ß§ß§à§ã§ä§î §Þ§Ú§â§à§Ó§í§ç §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§ß§í§ç §å§ã§Ý§å§Ô §ã§à§ã§ä§Ñ§Ó§Ú§Ý§Ñ 124,8 §ä§â§Ú§Ý§Ý§Ú§à§ß§Ñ §Õ§à§Ý§Ý. §³§º§¡, §Ó §Õ§Ó§Ñ §â§Ñ§Ù§Ñ §á§â§Ö§Ó§í§ã§Ú§Ó §Þ§Ú§â§à§Ó§à§Û §Ó§Ñ§Ý§à§Ó§í§Û §Ó§ß§å§ä§â§Ö§ß§ß§Ú§Û §á§â§à§Õ§å§Ü§ä §Ù§Ñ §ä§à§ä §Ø§Ö §Ô§à§Õ (Costanza and others, 2014). §£ §ß§Ñ§ã§ä§à§ñ§ë§Ö§Ö §Ó§â§Ö§Þ§ñ §à§Ò§ë§Ö§á§â§Ú§Ù§ß§Ñ§ß§à, §é§ä§à §â§Ñ§Ù§Ý§Ú§é§ß§í§Ö §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í ¡ª §Ü§Ñ§Ü §Ó§à§Õ§ß§í§Ö, §ä§Ñ§Ü §Ú §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §ã§å§ê§Ú ¡ª §ß§Ñ§ç§à§Õ§ñ§ä§ã§ñ §Ó §ã§à§ã§ä§à§ñ§ß§Ú§Ú §å§á§Ñ§Õ§Ü§Ñ, §Ó §à§ã§ß§à§Ó§ß§à§Þ §Ú§Ù-§Ù§Ñ §á§à§ã§Ý§Ö§Õ§ã§ä§Ó§Ú§Û §ï§Ü§à§ß§à§Þ§Ú§é§Ö§ã§Ü§à§Ô§à §â§Ñ§Ù§Ó§Ú§ä§Ú§ñ. §³§à§à§ä§Ó§Ö§ä§ã§ä§Ó§å§ð§ë§Ö§Û §ã§ä§Ñ§ä§Ú§ã§ä§Ú§Ü§Ú §á§â§Ö§Õ§à§ã§ä§Ñ§ä§à§é§ß§à. §³ 1900 §Ô§à§Õ§Ñ §Þ§Ú§â §á§à§ä§Ö§â§ñ§Ý §à§Ü§à§Ý§à 50 §á§â§à§è§Ö§ß§ä§à§Ó §Ó§ã§Ö§ç §Ó§à§Õ§ß§à-§Ò§à§Ý§à§ä§ß§í§ç §å§Ô§à§Õ§Ú§Û (WWDR 3, 2009). §ª§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ §Þ§à§Õ§Ö§Ý§Ö§Û §Ù§Ö§Þ§Ý§Ö§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§ñ §á§â§Ú§Ó§Ö§Ý§Ú §Ü §ä§à§Þ§å, §é§ä§à §Ó §á§Ö§â§Ú§à§Õ §ã 1997 §á§à 2011 §Ô§à§Õ§í §Ö§Ø§Ö§Ô§à§Õ§ß§à §ä§Ö§â§ñ§Ý§Ú§ã§î §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§ß§í§Ö §å§ã§Ý§å§Ô§Ú §ã§ä§à§Ú§Þ§à§ã§ä§î§ð §à§ä 4,3 §Õ§à 20,2 §ä§â§Ú§Ý§Ý§Ú§à§ß§Ñ §Õ§à§Ý§Ý. §³§º§¡. (Costanza and others, 2014) §±§à §à§è§Ö§ß§Ü§Ñ§Þ, 20 §á§â§à§è§Ö§ß§ä§à§Ó §Ó§à§Õ§à§ß§à§ã§ß§í§ç §Ô§à§â§Ú§Ù§à§ß§ä§à§Ó §Þ§Ú§â§Ñ §á§à§Õ§Ó§Ö§â§Ô§Ñ§ð§ä§ã§ñ §é§â§Ö§Ù§Þ§Ö§â§ß§à§Û §ï§Ü§ã§á§Ý§å§Ñ§ä§Ñ§è§Ú§Ú, §é§ä§à §á§â§Ú§Ó§à§Õ§Ú§ä, §á§à§Þ§Ú§Þ§à §á§â§à§é§Ö§Ô§à, §Ü §á§â§à§ã§Ñ§Õ§Ü§Ö §Ô§â§å§ß§ä§Ñ §Ú §Ú§ß§ä§â§å§Ù§Ú§Ú §ã§à§Ý§Ö§ß§í§ç §Ó§à§Õ (Gleeson and others, 2012). §¢§à§Ý§Ö§Ö §é§Ö§Þ §ß§Ñ §á§à§Ý§à§Ó§Ú§ß§å §Ü§â§å§á§ß§í§ç §â§Ö§é§ß§í§ç §ã§Ú§ã§ä§Ö§Þ §Þ§Ú§â§Ñ §ß§Ö§Ò§Ý§Ñ§Ô§à§á§â§Ú§ñ§ä§ß§à§Ö §Ó§à§Ù§Õ§Ö§Û§ã§ä§Ó§Ú§Ö §à§Ü§Ñ§Ù§í§Ó§Ñ§ð§ä §á§Ý§à§ä§Ú§ß§í (Nilsson and others, 2005). §¯§Ö§ï§æ§æ§Ö§Ü§ä§Ú§Ó§ß§à§Ö §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§Ö §Ó§à§Õ§í §Ó §â§Ñ§ã§ä§Ö§ß§Ú§Ö§Ó§à§Õ§ã§ä§Ó§Ö §Ó§í§Ù§Ó§Ñ§Ý§à §Ù§Ñ§ã§à§Ý§à§ß§Ö§ß§Ú§Ö 20 §á§â§à§è§Ö§ß§ä§à§Ó §à§Ò§ë§Ö§Û §á§Ý§à§ë§Ñ§Õ§Ú §à§â§à§ê§Ñ§Ö§Þ§í§ç §Ù§Ö§Þ§Ö§Ý§î (FAO, 2011). §µ§á§Ñ§Õ§à§Ü §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ §á§â§Ú§Ó§à§Õ§Ú§ä §Ü §â§ñ§Õ§å §ß§Ö§Ò§Ý§Ñ§Ô§à§á§â§Ú§ñ§ä§ß§í§ç §á§à§ã§Ý§Ö§Õ§ã§ä§Ó§Ú§Û §Õ§Ý§ñ §é§Ö§Ý§à§Ó§Ö§Ü§Ñ, §á§à§ã§Ü§à§Ý§î§Ü§å §Þ§Ú§Ý§Ý§Ú§Ñ§â§Õ§í §Ý§ð§Õ§Ö§Û §á§â§à§Ø§Ú§Ó§Ñ§ð§ä §Ó §â§Ö§Ô§Ú§à§ß§Ñ§ç, §Ú§ã§á§í§ä§í§Ó§Ñ§ð§ë§Ú§ç §ß§Ö§ç§Ó§Ñ§ä§Ü§å §Ó§à§Õ§í §Ú (§Ú§Ý§Ú) §ß§Ñ §ä§Ö§â§â§Ú§ä§à§â§Ú§ñ§ç, §ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§Ù§å§ð§ë§Ú§ç§ã§ñ §ß§Ú§Ù§Ü§Ú§Þ §Ü§Ñ§é§Ö§ã§ä§Ó§à§Þ §Ó§à§Õ§í (Guppy and Anderson, 2017; Veolia and IFPRI, 2015).
§³§Ö§Ô§à§Õ§ß§ñ §Ó §ß§Ñ§å§é§ß§à§Þ §Õ§Ú§ã§Ü§å§â§ã§Ö §Ú§ã§á§à§Ý§î§Ù§å§ð§ä§ã§ñ §ä§Ñ§Ü§Ú§Ö §Ó§í§â§Ñ§Ø§Ö§ß§Ú§ñ §Ü§Ñ§Ü ?§á§Ý§Ñ§ä§Ö§Ø§Ú §Ù§Ñ §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§ß§í§Ö §å§ã§Ý§å§Ô§Ú?, ?§ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§ß§í§Û §á§à§Õ§ç§à§Õ?, ?§Ù§Ö§Ý§Ö§ß§Ñ§ñ? §Ú ?§ã§Ö§â§Ñ§ñ? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§Ñ, ?§ï§Ü§à§Ý§à§Ô§Ú§é§ß§í§Ö §â§Ö§ê§Ö§ß§Ú§ñ? §Ú §Þ§ß§à§Ø§Ö§ã§ä§Ó§à §Õ§â§å§Ô§Ú§ç §ä§Ö§â§Þ§Ú§ß§à§Ó, §á§â§ñ§Þ§à §Ú§Ý§Ú §Ü§à§ã§Ó§Ö§ß§ß§à §ã§Ó§ñ§Ù§Ñ§ß§ß§í§ç §ã §á§à§ß§ñ§ä§Ú§Ö§Þ §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ (Lautze, 2014). §¿§ä§à§ä §Õ§Ú§ã§Ü§å§â§ã §à§ä§â§Ñ§Ø§Ñ§Ö§ä §â§Ñ§ã§ä§å§ë§å§ð §à§Ò§Ö§ã§á§à§Ü§à§Ö§ß§ß§à§ã§ä§î §à§ä§ß§à§ã§Ú§ä§Ö§Ý§î§ß§à §ã§à§ã§ä§à§ñ§ß§Ú§ñ §Ô§Ý§à§Ò§Ñ§Ý§î§ß§í§ç §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ §Ú §Ò§à§Ý§Ö§Ö §Ô§Ý§å§Ò§à§Ü§à§Ö §á§à§ß§Ú§Þ§Ñ§ß§Ú§Ö §ä§à§Û §Ó§Ñ§Ø§ß§à§Û §â§à§Ý§Ú, §Ü§à§ä§à§â§å§ð §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §Ú§Ô§â§Ñ§ð§ä §Ó §â§Ñ§Ù§Ó§Ú§ä§Ú§Ú, §Ó§Ü§Ý§ð§é§Ñ§ñ §â§Ñ§Ù§Ó§Ú§ä§Ú§Ö §Ó§à§Õ§ß§í§ç §â§Ö§ã§å§â§ã§à§Ó.
§£ §á§â§à§è§Ö§ã§ã§Ö §Þ§à§Õ§Ú§æ§Ú§Ü§Ñ§è§Ú§Ú §Ö§ã§ä§Ö§ã§ä§Ó§Ö§ß§ß§à§Û (§ß§Ñ§á§â§Ú§Þ§Ö§â, §Ó§à§Õ§ß§à§Û) §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §ß§Ö§Ü§à§ä§à§â§í§Ö §Ú§Ù §Ú§Ù§ß§Ñ§é§Ñ§Ý§î§ß§à §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§Þ§í§ç §Ö§ð §å§ã§Ý§å§Ô §Ú, §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§Ö§ß§ß§à, §Ú§Ù§Ó§Ý§Ö§Ü§Ñ§Ö§Þ§í§ç §Ú§Ù §ß§Ö§Ö §Ó§í§Ô§à§Õ, §ä§Ö§â§ñ§ð§ä§ã§ñ §Ú §Ù§Ñ§Þ§Ö§ß§ñ§ð§ä§ã§ñ §Ó§í§Ô§à§Õ§Ñ§Þ§Ú §à§ä §Ó§ß§Ö§Õ§â§Ö§ß§ß§í§ç §Þ§à§Õ§Ú§æ§Ú§Ü§Ñ§è§Ú§Û. §°§Õ§ß§Ñ§Ü§à §Ó §ï§ä§à§Þ §á§â§à§è§Ö§ã§ã§Ö §Ö§ã§ä§î ?§á§Ö§â§Ö§Ý§à§Þ§ß§í§Û §Þ§à§Þ§Ö§ß§ä?, §Ü§à§Ô§Õ§Ñ §ã§å§Þ§Þ§Ñ §Ó§ã§Ö§ç §Ó§í§Ô§à§Õ §à§ä §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §Õ§à§ã§ä§Ú§Ô§Ñ§Ö§ä §ã§Ó§à§Ö§Ô§à §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§à§Ô§à §Ù§ß§Ñ§é§Ö§ß§Ú§ñ, §Ñ §Õ§Ñ§Ý§î§ß§Ö§Û§ê§Ú§Ö §Ú§Ù§Þ§Ö§ß§Ö§ß§Ú§ñ §Ý§Ú§ê§î §å§Þ§Ö§ß§î§ê§Ñ§ð§ä §ã§à§Ó§à§Ü§å§á§ß§à§ã§ä§î §ï§ä§Ú§ç §Ó§í§Ô§à§Õ (Acreman, 2001). §¯§Ñ §á§â§Ñ§Ü§ä§Ú§Ü§Ö §Õ§Ñ§ß§ß§í§Û §Þ§à§Þ§Ö§ß§ä §à§é§Ö§ß§î §ã§Ý§à§Ø§ß§à §à§á§â§Ö§Õ§Ö§Ý§Ú§ä§î ¡ª §Ú, §Ó§Ö§â§à§ñ§ä§ß§à, §ï§ä§à §à§Ò§ã§ä§à§ñ§ä§Ö§Ý§î§ã§ä§Ó§à §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §à§Õ§ß§à§Û §Ú§Ù §Þ§ß§à§Ø§Ö§ã§ä§Ó§Ñ §á§â§Ú§é§Ú§ß §á§â§à§Õ§à§Ý§Ø§Ñ§ð§ë§Ö§Ô§à§ã§ñ §å§á§Ñ§Õ§Ü§Ñ §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ.
§°§á§â§Ö§Õ§Ö§Ý§Ö§ß§Ú§Ö §Ú §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§Ö§ß§ß§Ñ§ñ §à§è§Ö§ß§Ü§Ñ §å§ã§Ý§å§Ô, §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§Þ§í§ç §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§Ñ§Þ§Ú, §ä§Ñ§Ü§Ø§Ö §Þ§à§Ô§å§ä §Ú§Þ§Ö§ä§î §Ò§à§Ý§î§ê§à§Ö §Ù§ß§Ñ§é§Ö§ß§Ú§Ö §Ó §á§à§Ý§Ú§ä§Ú§é§Ö§ã§Ü§à§Þ §Ü§à§ß§ä§Ö§Ü§ã§ä§Ö. §´§Ñ§Ü, §Ü§à§ß§æ§Ý§Ú§Ü§ä §Ú§Ù-§Ù§Ñ §Ó§à§Õ§ß§í§ç §â§Ö§ã§å§â§ã§à§Ó §â§Ö§Ü§Ú §Þ§à§Ø§Ö§ä §â§Ñ§ã§ã§Þ§Ñ§ä§â§Ú§Ó§Ñ§ä§î§ã§ñ §Ü§Ñ§Ü §Ü§à§ß§æ§Ý§Ú§Ü§ä §á§à §á§à§Ó§à§Õ§å §ä§à§Ô§à, §Ü§Ñ§Ü§Ñ§ñ §Ú§Ù §ã§ä§à§â§à§ß §á§à§Ý§å§é§Ú§ä §Õ§à§ã§ä§å§á §Ü §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§Þ§í§Þ §â§Ö§Ü§à§Û §å§ã§Ý§å§Ô§Ñ§Þ §ã§ß§Ñ§Ò§Ø§Ö§ß§Ú§ñ, §Ñ §Ü§Ñ§Ü§Ñ§ñ ¡ª §Ö§Ô§à §á§à§ä§Ö§â§ñ§Ö§ä. §¯§Ö§Ô§Ñ§ä§Ú§Ó§ß§í§Ö §á§à§ã§Ý§Ö§Õ§ã§ä§Ó§Ú§ñ §Ó§à§Ù§Õ§Ö§Û§ã§ä§Ó§Ú§ñ §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §Ü§â§å§á§ß§í§ç §Ú §Þ§Ñ§Ý§í§ç §á§â§à§Ö§Ü§ä§à§Ó §â§Ñ§Ù§Ó§Ú§ä§Ú§ñ §Ó§à§Õ§ß§í§ç §â§Ö§ã§å§â§ã§à§Ó §ß§Ñ §Õ§à§ã§ä§å§á§ß§à§ã§ä§î §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§ß§í§ç §å§ã§Ý§å§Ô §Ú §ã§Ó§ñ§Ù§Ñ§ß§ß§í§Ö §ã §ß§Ú§Þ§Ú §ã§à§è§Ú§Ñ§Ý§î§ß§í§Ö §Ü§à§ß§æ§Ý§Ú§Ü§ä§í §Ó§ã§ä§â§Ö§é§Ñ§ð§ä§ã§ñ §Õ§à§Ó§à§Ý§î§ß§à §é§Ñ§ã§ä§à ¡ª §ß§Ñ§á§â§Ú§Þ§Ö§â, §Ó §Ü§à§ß§ä§Ö§Ü§ã§ä§Ö §Ú§â§â§Ú§Ô§Ñ§è§Ú§Ú §Ú §à§ç§â§Ñ§ß§í §á§â§Ú§â§à§Õ§í §Ú§Ý§Ú §á§â§à§Ú§Ù§Ó§à§Õ§ã§ä§Ó§Ñ §Ô§Ú§Õ§â§à§ï§Ý§Ö§Ü§ä§â§à§ï§ß§Ö§â§Ô§Ú§Ú §Ú §á§à§Õ§Õ§Ö§â§Ø§Ñ§ß§Ú§ñ §ã§â§Ö§Õ§í §à§Ò§Ú§ä§Ñ§ß§Ú§ñ.
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§¥§Ö§Ô§â§Ñ§Õ§Ñ§è§Ú§ñ §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ §ä§Ñ§Ü§Ø§Ö §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §Ó§Ñ§Ø§ß§à§Û §á§â§Ú§é§Ú§ß§à§Û §å§Ó§Ö§Ý§Ú§é§Ö§ß§Ú§ñ §ã§Ó§ñ§Ù§Ñ§ß§ß§í§ç §ã §Ó§à§Õ§à§Û §â§Ú§ã§Ü§à§Ó §Ú §ï§Ü§ã§ä§â§Ö§Þ§Ñ§Ý§î§ß§í§ç §ã§Ú§ä§å§Ñ§è§Ú§Û, §ä§Ñ§Ü§Ú§ç §Ü§Ñ§Ü §ß§Ñ§Ó§à§Õ§ß§Ö§ß§Ú§ñ §Ú §Ù§Ñ§ã§å§ç§Ú. §¿§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §à§Ò§Ö§ã§á§Ö§é§Ú§Ó§Ñ§ð§ä §á§â§Ú§â§à§Õ§ß§å§ð (?§Ù§Ö§Ý§Ö§ß§å§ð?) §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§å, §Ó§í§á§à§Ý§ß§ñ§ð§ë§å§ð §à§á§â§Ö§Õ§Ö§Ý§Ö§ß§ß§í§Ö §æ§å§ß§Ü§è§Ú§Ú §å§Þ§Ö§ß§î§ê§Ö§ß§Ú§ñ §à§á§Ñ§ã§ß§à§ã§ä§Ú §Ò§Ö§Õ§ã§ä§Ó§Ú§Û §Ú, §ã§Ý§Ö§Õ§à§Ó§Ñ§ä§Ö§Ý§î§ß§à, §é§Ñ§ã§ä§Ú§é§ß§à §Ù§Ñ§Þ§Ö§ß§ñ§ð§ë§å§ð §Ú§Ý§Ú §Õ§à§á§à§Ý§ß§ñ§ð§ë§å§ð ?§ã§Ö§â§å§ð? (§ä§Ö§ç§ß§à§Ô§Ö§ß§ß§å§ð) §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§å, §á§â§Ö§Õ§ß§Ñ§Ù§ß§Ñ§é§Ö§ß§ß§å§ð §Õ§Ý§ñ §ä§Ö§ç §Ø§Ö §è§Ö§Ý§Ö§Û. §³§à§é§Ö§ä§Ñ§ß§Ú§Ö ?§Ù§Ö§Ý§Ö§ß§à§Û? §Ú ?§ã§Ö§â§à§Û? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§í, §ß§Ñ§á§â§Ú§Þ§Ö§â §Ó §Ü§à§ß§ä§Ö§Ü§ã§ä§Ö §Ü§à§Þ§á§Ý§Ö§Ü§ã§ß§à§Ô§à §å§á§â§Ñ§Ó§Ý§Ö§ß§Ú§ñ §â§Ú§ã§Ü§Ñ§Þ§Ú, §ã§Ó§ñ§Ù§Ñ§ß§ß§í§Þ§Ú §ã §ß§Ñ§Ó§à§Õ§ß§Ö§ß§Ú§ñ§Þ§Ú §Ú §Ù§Ñ§ã§å§ç§Ñ§Þ§Ú, §Ó §à§ä§Õ§Ö§Ý§î§ß§à §Ó§Ù§ñ§ä§à§Þ §â§Ö§é§ß§à§Þ §Ò§Ñ§ã§ã§Ö§Û§ß§Ö, §Þ§à§Ø§Ö§ä §ã§á§à§ã§à§Ò§ã§ä§Ó§à§Ó§Ñ§ä§î §ï§Ü§à§ß§à§Þ§Ú§Ú §ã§â§Ö§Õ§ã§ä§Ó §á§à §ã§â§Ñ§Ó§ß§Ö§ß§Ú§ð §ã §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§Ö§Þ §Ú§ã§Ü§Ý§ð§é§Ú§ä§Ö§Ý§î§ß§à ?§ã§Ö§â§à§Û? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§í (WWDR, ??2018). §¬§â§à§Þ§Ö §ä§à§Ô§à, ?§Ù§Ö§Ý§Ö§ß§Ñ§ñ? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§Ñ §Ó§í§á§à§Ý§ß§ñ§Ö§ä §æ§å§ß§Ü§è§Ú§Ú §Ú §á§â§Ö§Õ§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä §á§â§Ö§Ú§Þ§å§ë§Ö§ã§ä§Ó§Ñ, §ã§á§à§ã§à§Ò§ß§í§Ö §ß§Ñ§á§â§ñ§Þ§å§ð §á§à§Ó§í§ã§Ú§ä§î §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§î§ß§à§ã§ä§î ?§ã§Ö§â§à§Û? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§í §Ú §ã§ß§Ú§Ù§Ú§ä§î §â§Ú§ã§Ü§Ú §Õ§Ý§ñ §á§à§ã§Ý§Ö§Õ§ß§Ö§Û. §°§Õ§ß§Ñ§Ü§à §Þ§Ñ§Ý§à§Ó§Ö§â§à§ñ§ä§ß§à, §é§ä§à §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §ã§Ñ§Þ§Ú §á§à §ã§Ö§Ò§Ö §ã§Þ§à§Ô§å§ä §à§Ò§Ö§ã§á§Ö§é§Ú§ä§î §ä§Ñ§Ü§à§Û §Ø§Ö §å§â§à§Ó§Ö§ß§î §ã§ß§Ú§Ø§Ö§ß§Ú§ñ §â§Ú§ã§Ü§Ñ, §Ü§Ñ§Ü §Ú ?§ã§Ö§â§Ñ§ñ? §Ú§ß§æ§â§Ñ§ã§ä§â§å§Ü§ä§å§â§Ñ, §Ú§Ý§Ú §á§à§Ý§ß§à§ã§ä§î§ð §Ù§Ñ§Þ§Ö§ß§Ú§ä§î §Ö§Ö §Ó §Ò§å§Õ§å§ë§Ö§Þ. §±§à§ï§ä§à§Þ§å §ã§ä§Ñ§Ó§Ü§Ñ §ß§Ñ §à§Õ§ß§Ú §Ý§Ú§ê§î §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§í §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §é§â§Ö§Ù§Þ§Ö§â§ß§à §å§á§â§à§ë§Ö§ß§ß§í§Þ §á§à§Õ§ç§à§Õ§à§Þ §Ü §á§â§à§Ò§Ý§Ö§Þ§Ñ§ä§Ú§Ü§Ö §ã§Þ§ñ§Ô§é§Ö§ß§Ú§ñ §á§à§ã§Ý§Ö§Õ§ã§ä§Ó§Ú§Û §ã§ä§Ú§ç§Ú§Û§ß§í§ç §Ò§Ö§Õ§ã§ä§Ó§Ú§Û, §ã§Ó§ñ§Ù§Ñ§ß§ß§í§ç §ã §Ó§à§Õ§à§Û, §Ú §Þ§à§Ø§Ö§ä §á§à§ä§Ö§ß§è§Ú§Ñ§Ý§î§ß§à §á§â§Ú§Ó§Ö§ã§ä§Ú §Ü §â§Ñ§Ù§â§Ñ§Ò§à§ä§Ü§Ö §ß§Ö§ï§æ§æ§Ö§Ü§ä§Ú§Ó§ß§í§ç §ã§ä§â§Ñ§ä§Ö§Ô§Ú§Û (McCartney and Finlayson, 2017).
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§£§ã§Ö §è§Ö§Ý§Ö§Ó§í§Ö §á§à§Ü§Ñ§Ù§Ñ§ä§Ö§Ý§Ú §¸§µ§², §ã§Ó§ñ§Ù§Ñ§ß§ß§í§Ö §ã §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ§Ñ§Þ§Ú, §ñ§Ó§Ý§ñ§ð§ä§ã§ñ §Õ§à§Ò§â§à§Ó§à§Ý§î§ß§í§Þ§Ú §Ú §ß§Ö §Ó§í§â§Ñ§Ø§Ñ§ð§ä§ã§ñ §Ó §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§Ö§ß§ß§à§Û §æ§à§â§Þ§Ö. §®§ß§à§Ô§Ú§Ö §Ú§Ù §á§â§Ö§Õ§Ý§Ñ§Ô§Ñ§Ö§Þ§í§ç §á§à§Ü§Ñ§Ù§Ñ§ä§Ö§Ý§Ö§Û §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§ð§ä §ã§à§Ò§à§Û §é§â§Ö§Ù§Ó§í§é§Ñ§Û§ß§à §å§á§â§à§ë§Ö§ß§ß§í§Ö §Þ§à§Õ§Ö§Ý§Ú §Ò§à§Ý§Ö§Ö §Þ§Ñ§ã§ê§ä§Ñ§Ò§ß§í§ç §Ú§Ý§Ú §Ñ§Ò§ã§ä§â§Ñ§Ü§ä§ß§í§ç §Ù§Ñ§Õ§Ñ§é. §³§à§Ò§Ý§ð§Õ§Ö§ß§Ú§Ö §Ó§â§Ö§Þ§Ö§ß§ß§í§ç §â§Ñ§Þ§à§Ü §±§à§Ó§Ö§ã§ä§Ü§Ú §Õ§ß§ñ §Ó §à§Ò§Ý§Ñ§ã§ä§Ú §å§ã§ä§à§Û§é§Ú§Ó§à§Ô§à §â§Ñ§Ù§Ó§Ú§ä§Ú§ñ §ß§Ñ §á§Ö§â§Ú§à§Õ §Õ§à 2030 §Ô§à§Õ§Ñ §ã§Ñ§Þ§à §á§à §ã§Ö§Ò§Ö §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §ß§Ö§ä§â§Ú§Ó§Ú§Ñ§Ý§î§ß§à§Û §Ù§Ñ§Õ§Ñ§é§Ö§Û. §¢§å§Õ§å§ë§Ö§Ö §á§à§Ü§Ñ§Ø§Ö§ä, §å§Õ§Ñ§ã§ä§ã§ñ §Ý§Ú §ß§Ñ§Þ §Ó§í§á§à§Ý§ß§Ú§ä§î §ç§à§ä§ñ §Ò§í §é§Ñ§ã§ä§î §Ú§Ù §á§à§ã§ä§Ñ§Ó§Ý§Ö§ß§ß§í§ç §Ù§Ñ§Õ§Ñ§é, §Ú§Ý§Ú §Ø§Ö §á§â§Ú§Õ§Ö§ä§ã§ñ §Ú §Ó§á§â§Ö§Õ§î §è§Ú§ä§Ú§â§à§Ó§Ñ§ä§î §Þ§â§Ñ§é§ß§å§ð §ã§ä§Ñ§ä§Ú§ã§ä§Ú§Ü§å §Õ§Ö§Ô§â§Ñ§Õ§Ñ§è§Ú§Ú §ï§Ü§à§ã§Ú§ã§ä§Ö§Þ. §£§á§â§à§é§Ö§Þ, §ß§Ñ§Õ§Ö§Ø§Õ§Ñ §ß§Ñ §á§à§Ý§à§Ø§Ú§ä§Ö§Ý§î§ß§í§Û §Ú§ã§ç§à§Õ, §â§Ñ§Ù§å§Þ§Ö§Ö§ä§ã§ñ, §à§ã§ä§Ñ§Ö§ä§ã§ñ.
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