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A new analysis of the scientific literature on global warming finds that 97 percent of studies agree that climate change is real and human-caused. The study, published on Wednesday in the journal Environmental Research Letters, is the latest effort to quantify the consensus among climate scientists on global warming. Its results are in line with other recent surveys, showing that scientists overwhelmingly agree that climate change is real and caused by human activities, mainly the burning of fossil fuels. The study found that 66 percent of the papers explicitly stated that human activities are the main cause of global warming. The remaining 31 percent of papers implied that conclusion but did not state it outright. The study also found that just 1.6 percent of papers rejected the notion that humans are causing global warming. The remaining 1.4 percent of papers took a neutral stance on the issue. The authors of the study say their results provide further evidence that the scientific community has reached a consensus on the causes of global warming. "Our analysis demonstrates that the number of papers rejecting the consensus on [anthropogenic global warming] is a distinct minority, and the number of papers simply not stating a position on [anthropogenic global warming] is miniscule," the authors write in the study. The authors also note that the consensus on global warming is even stronger among climate scientists, who are more likely to explicitly state that humans are the main driver of climate change. "This analysis shows that the debate on the authenticity of [global warming] and its root cause is largely nonexistent among those who understand the nuances and scientific basis of long-term climate processes," the authors write. The study is based on an analysis of nearly 12,000 scientific papers on global warming that were published between 1991 and 2011. The authors used a computer algorithm to analyze the content of the papers and to determine whether they endorsed, rejected, or were neutral on the issue of global warming. The authors say their study is the most comprehensive analysis of the scientific literature on global warming to date. "Our analysis is, to our knowledge, the largest census of the literature conducted to date," they write. The study's results are likely to be cited by those who argue that the scientific community has reached a consensus on global warming. However, critics of the study may argue that it is flawed because it only looks at papers published in the past two decades, and not at the larger body of scientific literature on climate change.