90% ngôn ngữ trên thế giới biến mất trong thế kỷ 21
Theo tạp chí Daily Mail, các nhà nghiên cứu thuộc Đại học bang Pennsylvania (Mỹ) vừa cảnh báo, nếu con người không tăng cường bảo vệ môi trường thì đến cuối thế kỷ này, có khoảng 50% đến 90% các ngôn ngữ trên thế giới sẽ bị biến mất.
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s8Sp4buBe+G6rXPEqeG7gSZ74bqkZcSpe+G6pzjEqeG7h3vhuqlrKnvhu6Hhu6Nw4but4bq5xKl74buh4buHw7LEqeG7gXvhuqlnNXvhu5vhu4fDuuG7kcSp4buBe+G7qTd74bqnNuG6p3vhu4Hhu4M2e+G7oeG7o2d74bqndcSp4buBe+G7n8SRe+G6qcO64buV4bqne+G7oeG7hzXhu6174buh4buHw6l74bql4buX4buDe+G7oeG7o3Dhu63hurnEqXvhu6Hhu4fDssSp4buBe+G7qTd74buB4buDNnvhu6Hhu6Nne+G6p8OzxKnhu4F7xKnhu4Hhu4fhu4Phurvhu5t74buHazUmLC/hu5suLOG7m3vhuqfhu4s14buf4buf4bu0PuG7m+G6pGrhuq3hu60+LuG7oOG7h+G6q2p74buo4buD4bqr4buhxKk14buJKywv4bubLg==