«To summarize this overview, the historical and geological record suggests recent changes in the climate over the past century are within the bounds of natural variability. (insideclimatenews.org)
«Because of recent changes in climate and projected changes in climate, these Southwest ecosystems are likely going to experience some really severe vegetation shifts,» she said (sciencedaily.com)
«When we measure that a particular stand of mature forest is accumulating carbon, it is difficult to say whether that might be due to recovery from some unrecognized disturbance long ago or whether it is due to more recent changes in climate and CO2,» explained Woods Hole Research Center Senior Scientist and Executive Director Eric Davidson, lead author of the review, in an e-mail. (scientificamerican.com)