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