We see deforestation; we see the desert spreading; we see massive hunger; we see disease and we see population growth in areas where there are more people living on a certain piece of land than the land can possibly support, and they're too poor to buy food from elsewhere.
森林破壊 砂漠の拡大　飢餓 病気の蔓延　人口増加 土地が支えられる以上に人口が 増えてしまった所では 貧しすぎて食糧も賄えない