And my own introduction to this issue came about as a direct result of the measurements which showed the annual cycle of carbon dioxide and the steadily increasing peaks of concentrations of carbon dioxide, and now, of course, we know other greenhouse gases, as well, that resulted from those measurements.
(the measurements; showed; the annual cycle of carbon dioxide and the steadily increasing peaks of concentrations of carbon dioxide) (we; know as well; T:now)
the measurements we
showed know as well
the annual cycle of carbon dioxide and the steadily increasing peaks of concentrations of carbon dioxide
T:now