★ 6.3
★ 0.0
★ 6.8
★ 7.0
★ 5.9
★ 5.0
★ 8.0
★ 9.0
★ 4.8
★ 3.7
★ 6.7
★ 6.9
★ 7.9
Global warming in context. What the climate of the past tells us about the climate of the future.
