Which of the following statements is NOT true? Models that include only the natural factors of solar variability and volcanoes accurately model the current warming trend The most accurate GCMs include both anthropogenic and natural factors The IPCC Fifth Assessment Report concluded with 99% confidence that humans are the strongest changers of climate since 1950 For RCP2.6, radiative forcing peaks before 2020 and declines before 2100 Current GCMs have resolutions as small as 60 miles