Kuhnt W, Holbourn A and Moullade M (2011) Geology 39, 323.
Kunkel KE, et al. (2013) Bulletin of the American Meteorological Society 94, 499.
Lachner J, et al. (2012) Physical Review C 85, 015801.
Le Quéré C, et al. (2016) Earth System Science Data 8, 605.
Leakey MD and Hay RL (1979) Nature 278, 317.
Lewis SL and Maslin MA (2015) Nature 519, 171.
Li Y-X, et al. (2008) Earth and Planetary Science Letters 271, 88.
Li Y-X, et al. (2017) Earth and Planetary Science Letters 462, 35.
Malinverno A, Erba E and Herbert TD (2010) Paleoceanography 25, EID: PA2203.
Mann ME, et al. (2008) Proceedings of the National Academy of Sciences USA 105, 13252.
Marino L (2015) Fraction of life-bearing planets onwhich intelligent life emerges, fi, 1961 to the present. In Vakoch DA and Dowd MF (eds). The Drake Equation: Estimating the Prevalence of Extraterrestrial Life through the Ages. Cambridge University Press, Cambridge, UK, pp. 181–204.
Matmon A, et al. (2009) Geological Society of America Bulletin 121, 688.
McGee D and Mukhopadhyay S (2012) The Noble Gases as Geochemical Tracers. Berlin, Heidelberg: Springer, pp. 155–176.
McInerney FA and Wing SL (2011) Annual Review of Earth and Planetary Sciences 39, 489.
Meierhenrich U (2008) Amino Acids and the Asymmetry of Life. Berlin, Heidelberg: Springer.
Meyer KM and Kump LR (2008) Annual Review of Earth and Planetary Sciences 36, 251.
Moore CJ (2008) Environmental Research 108, 131.
Mutterlose J, et al. (2014) Geology 42, 439.
National Research Council (2010) Toward Sustainable Agricultural Systems in the 21st Century. The National Academies Press, Washington, DC. https://doi.org/10.17226/12832.
Naafs BDA, et al. (2016) Nature Geoscience 9, 135.
Nazarenko L, et al. (2015) Journal of Advances in Modeling Earth Systems 7, 244.
ODP Leg 801 Team (2000) Proceedings of the Ocean Drilling Program (International Ocean Discovery Program (IODP)).
Orr JC, et al. (2005) Nature 437, 681.
Overeem I, et al. (2011) Geophysical Research Letters 38, L17503.
Pagani M, et al. (2006) Nature 442, 671.
Patel BH, et al. (2015) Nature Chemistry 7, 301.
Pearce CR, et al. (2008) Geology 36, 231.
Pearson PN and Nicholas CJ (2014) Proceedings of the National Academy of Sciences USA 111, E1064.
Pearson PN and Thomas E (2015) Climate of the Past 11, 95.
Pham CK, et al. (2014) PLoS ONE 9, e95839.
Quay PD, Tilbrook B and Wong CS (1992) Science 256, 74.
Ravishankara AR, et al. (1993) Science 259, 194.
