Which persuasive technique is used in the following excerpt to make a claim about the impact of climate change?

The Arctic permafrost contains carbon dioxide (CO2) and large amounts methane, which is released into the atmosphere as the permafrost thaws. "Methane is a greenhouse gas 20 times more powerful than carbon dioxide. So now we risk facing further global warming and even faster melting in the Arctic," added Wadhams.

Choices:
association
emotional appeal
bandwagon
scientific data