Roger is writing a research paper on the measures adopted to mitigate global warming. Which event should he include in his research paper? A) A reduction in the number of Americans and Europeans who perceive global warming as a serious threat to mankind. B)
The legal commitments of most developed countries to limit their greenhouse gas emissions in accordance with the Kyoto Protocol.
C)The results of a poll showing that one-third of the worldÍs population is unaware of global warming and its harmful effects. D)An assessment by UNEP suggesting a gap between the target levels decided