human-produced carbon might be one of the factors of climate change, but there’s simply no evidence that it is a significant one.
human-produced carbon might be one of the factors of climate change, but there’s simply no evidence that it is a significant one.
global warming controversy:78
according to the united states national research council, [t]here is a strong, credible body of evidence, based on multiple lines of research, documenting that climate is changing and that these changes are in large part caused by human activities.