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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.
"Global warming refers to an increase in the planet's average temperature, and there's no question that that's happened over the last 100 years. Over the last 50 years, it's increasingly clear that that warming, the more recent warming, is because of human activities.And there are other associated changes with climate change, not just changes in temperature but also changes in rainfall patterns and so on that might happen."