Your task is to predict the verdict of a claim based on the provided question-answer pair evidence. The possible labels are: 'Supported', 'Refuted', 'Not Enough Evidence', 'Conflicting Evidence/Cherrypicking'. Justify your answer using the provided evidence and select the correct label.

Claim: There is no human-caused climate change

Q1: What are the natural causes of climate change
A1: Orbital changes, volcanic eruptions, movement of crustal plates, etc.

Q2: What are some unnatural activities that could contribute to climate change
A2: Human activity is warming the planet. Since the use of coal, oil and gas became widespread after 1750, humans have added about 2,040 billion metric tons (Human CO2 emissions, 1750–2011: 2,040 ± 310 gigatons) of heat-trapping carbon dioxide to the atmosphere, where it can linger for thousands of years
user
justification: The answer pair shows clear human activity that has contributed to climate change. 

verdict: 'Refuted'
assistant