According to the IPCC report of 2007, the possibility that recent global warming is a result of human activity is considered:
A)unlikely
B)likely
C)very likely
D)certain

Question

Quizplus · Accepted Answer

According to the IPCC report of 2007, it is stated that "most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations." "Very likely" is defined by the IPCC as having a probability of greater than 90%. Therefore, the best choice is C) very likely.

According to the IPCC Report of 2007, the Possibility That