The fourth IPCC report on international climate change confirmed that human activity has produced climate change beginning in the mid-20ᵗʰ century.

Question

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The statement is true. The fourth IPCC report on international climate change, also known as IPCC AR4, concluded that human activity, particularly the emission of greenhouse gases, was responsible for climate change beginning in the mid-20ᵗʰ century.

The Fourth IPCC Report on International Climate Change Confirmed That