Having better constraints on the timing and magnitude of past climate changes should ultimately lead to better constraints on climate sensitivity and the role of natural variability in the climate system. (dotearth.blogs.nytimes.com)
Natural variability in the climate poses a further problem. (newscientist.com)
Recent studies have found increasing greenhouse gas concentrations to be the major cause for much of global ocean temperature warming, yet it is unclear how they have contributed to the observed IPWP region changes along with natural variability in the climate. (sciencedaily.com)