-
The data in Figure (5-2) are from the Carbon Dioxide
Information Analysis Center—Tom Boden, Bob Andres, and Gregg
Marland.
-
The data in Figure (5-3) are from Dr Pieter Tans,
ESRL/NOAA, and Dr Ralph Keeling, Scripps Institution of
Oceanography.
-
Figure (7-2) is based on Steffen et al. (2015)
‘Planetary Boundaries: Guiding Human Development on a Changing
Planet’. Science 347:
736.
-
Figure (8-2) is based on results from Kopparapu et
al. (2013) ‘Habitable Zones around Main-Sequence Stars: New
Estimates’. Astrophysical
Journal 765: 131, and the habitable zone calculator
from the NASA Astrobiology Institute’s Virtual Planetary
Laboratory.
-
Figure (8-3) is adapted from Quintana et al. (2014)
‘An Earth-Sized Planet in the Habitable Zone of a Cool Star’.
Science 344:
277–80.
