https://doi.org/10.1038/s41893-019-0299-x
Authors. Jackson, R.B., Solomon, E.I., Canadell, J.G., Cargnello, M. & Field, C.B
Venue. Nature Sustainability 2:436–438
How the Institute flags it
established 1 time frontier 1 time
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.