Climate Change

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I F A S T E R O I D C O L L I S I O N S Q
H W K Y I T H E L I T T L E I C E A G E P
S G R J M G O A W D P X Q J X K L G H Y T
H W K X F I K A T R K A G F F J Y P I W V
P E O M S C C G M T F R Q S U U P Y C A S
D G P S T V K V R K C B F N S B M Q N W Y
L O N G W A V E L E N G T H D A C L Y C Y
H U C E E B E G W M K T S M W B C U W P A
E Q W N J T R X L M G D I R A C B M V R E
L W N T T T U I U M V W C A R X R W X X K
Y M E D I E V A L W A R M P E R I O D D S
D M E Q A R W E B M L E P C S K I K I H Y
H G H I S T O R I C A L R E C O R D S T O
S O L A R O U T P U T V A R I A T I O N F
J V O L C A N I C E R U P T I O N S I S V
S P D A T G R E E N H O U S E G A S E S F
L V W L F E V L H K B Y J U E Q Q I N D R
C S H O R T W A V E L E N G T H L Q U F P
I I N T E R G L A C I A L S E H A S J X N
C R D P D M U H H X P Y H R H F I L O Y V
C N Y E G N P X V F T K G M R M W Y Q S S

Clues

  • gases that absorb and re-radiate long wavelength radiation reflected by the earth (10, 5)
  • glacial period between 1500 and 1700 (3, 6, 3, 3)
  • interglacial period in roman times (8, 4, 6)
  • potential natural cause of global warming (5, 6, 9)
  • potential natural cause of global warming (8, 10)
  • potential natural cause of global warming (8, 9)
  • source of climate change records (10, 7)
  • type of radiation the earth reflects (4, 10)
  • type of radiation the sun emits (5, 10)
  • warmer period between ice ages (13)

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