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Họ Tên: Ngô Văn Hiển
Phạm Hữu Mạnh
Số máy: 08
NỘI DUNG
Tình trạng thiếu nước trên thế giới hiện nay
Sự lãng phí nước sạch
Sự bất công của thiên nhiên
Số liệu thống kê
Tài liệu tham khảo
Kết luận
TÌNH TRẠNG THIẾU
NƯỚC TRÊN THẾ GIỚI
HIỆN NAY
Toàn thế giới có 1,4 tỉ người thiếu trầm trọng
nước sạch
Nhu cầu sử dụng nước sạch ngày càng tăng
Các nguồn tài nguyên nước giảm do khai thác
quá độ
Lãng phí
SỰ LÃNG PHÍ NƯỚC SẠCH
Từ 100 năm trở lại gần đây,
con người đã tiêu dùng nước
ngọt rất lãng phí.
Việc khai thác nguồn nước sạch một cách bừa bãi làm ô nhiễm nguồn
nước
SỰ BẤT CÔNG CỦA THIÊN NHIÊN
Nếu ¾ diện tích dịa cầu là nước thì đó lại là
nước mặn không thể uống được.
Nhiều lãnh thổ rộng lớn, thổ nhưỡng khắc
nhiệt đối với sự sống con người lại là những
vùng chứa nhiều nước sạch hơn.
Số liệu thống kê
Tỉ lệ sử dụng nguồn nước
sạch
Tỉ lệ khai thác nguồn nước sạch
 Sản xuất  Sinh hoạt  Khác  Sông hồ  Nước ngầm  Khác
Hien manh pro257
Hien manh pro257
Hien manh pro257
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Hien manh pro257

  • 1. Họ Tên: Ngô Văn Hiển Phạm Hữu Mạnh Số máy: 08
  • 2. NỘI DUNG Tình trạng thiếu nước trên thế giới hiện nay Sự lãng phí nước sạch Sự bất công của thiên nhiên Số liệu thống kê Tài liệu tham khảo Kết luận
  • 3. TÌNH TRẠNG THIẾU NƯỚC TRÊN THẾ GIỚI HIỆN NAY Toàn thế giới có 1,4 tỉ người thiếu trầm trọng nước sạch Nhu cầu sử dụng nước sạch ngày càng tăng Các nguồn tài nguyên nước giảm do khai thác quá độ
  • 4. Lãng phí SỰ LÃNG PHÍ NƯỚC SẠCH Từ 100 năm trở lại gần đây, con người đã tiêu dùng nước ngọt rất lãng phí. Việc khai thác nguồn nước sạch một cách bừa bãi làm ô nhiễm nguồn nước
  • 5. SỰ BẤT CÔNG CỦA THIÊN NHIÊN Nếu ¾ diện tích dịa cầu là nước thì đó lại là nước mặn không thể uống được. Nhiều lãnh thổ rộng lớn, thổ nhưỡng khắc nhiệt đối với sự sống con người lại là những vùng chứa nhiều nước sạch hơn.
  • 6. Số liệu thống kê Tỉ lệ sử dụng nguồn nước sạch Tỉ lệ khai thác nguồn nước sạch  Sản xuất  Sinh hoạt  Khác  Sông hồ  Nước ngầm  Khác