These are questions that climate scientists must ask, especially if they want to understand the cause of natural climate fluctuations of varying duration. (sciencedaily.com)
The surface is strongly affected by natural climate fluctuations, such as El Niño, which can temporarily speed up or slow down the pace of warming. (dotearth.blogs.nytimes.com)
The study, led by Dr Julie Jones from the University of Sheffield's Department of Geography, has revealed that limited data on Antarctica's climate is making it difficult for researchers to disentangle changes caused by human activity from natural climate fluctuations. (sciencedaily.com)