Original sentence: The threat of global warming was ridiculed in the "Environmental Hysteria" episode even though the prevailing scientific opinion on climate change is that "most of the warming observed over the last 50 years is attributable to human activities".which has itself been criticized for funding climate change denial by several environmental organizations
Edited sentence: The threat of global warming was ridiculed in the "Environmental Hysteria" episode even though allegedly the prevailing scientific opinion on climate change is that "most of the warming observed over the last 50 years is attributable to human activities".which has itself been criticized for funding climate change "denial" by several environmental organizations