|
 
- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
|
8 s+ c6 y- I; I9 U7 c, L: e3 |
COVER Clouds pass over Kenya's Lake Magadi, where geologists are
; s: h- P/ x. w$ G! p, C* w7 Y6 _drilling a core to gather detailed climate data from the ancient lake bed. Data
7 H$ x7 o; O8 ?! G2 T/ u( D+ don past climates are vital for researchers seeking to understand how
/ i d2 d8 C* q1 i6 ?' tanthropogenic climate change will affect Earth?s ecosystems and species,
- Z- \$ Q" r4 z2 T" p0 cincluding its effects on infectious diseases and food security. See the special 9 ^6 o6 w! p- E4 X9 s8 Z1 v+ W; G. k
section beginning on page 472. Photo: 1 ?8 Y/ `. a2 Q! C" f
? Martin Harvey/Alamy
/ n& n. y2 }, t/ ?& T |
-
总评分: 威望 + 20
包包 + 20
查看全部评分
|