This number will rise to 500,000 within 15 years." (4) It is estimated that climate problems affect 325 million people every year, and that within two decades, this number will double to the equivalent of 10 % of the world's population today. Kardec questioned Spirituality about this matter: "Why does Earth not always produce enough to provide what is necessary for man?"
Kardec, al cuestionar la espiritualidad en por qué no siempre la tierra produce bastante para suministrar al hombre lo necesario?