We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe global carbon cycle: a test of our knowledge of Earth as a system.AuthorsFalkowski, P.; Scholes, R. J.; Boyle, E.PublicationScience, 2000, Vol 290, Issue 5490, p291ISSN0036-8075Publication typearticleDOI10.1126/science.290.5490.291