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Climate scientists use multiple lines of evidence — isotopic signatures of carbon, global energy-budget calculations, and model experiments that test natural-only versus human-plus-natural forcings — and those lines converge on human emissions as the dominant driver of modern climate change.
Human activity — especially the large-scale burning of fossil fuels, land-use change and industrial emissions — is the primary cause of the rapid global warming and related climate changes observed si...
The preponderance of climate science concludes that human activities are essentially responsible for the recent global warming trend: best estimates place the human contribution at roughly 100% of obs...