Like previous assessment reports, it consists of four reports: People from over 130 countries contributed to the IPCC Fourth Assessment Report, which took 6 years to produce.
Like earlier IPCC reports, it contains four reports, three of them from its working groups.People from over 130 countries contributed to the IPCC Fourth Assessment Report over 6 years.
Like earlier IPCC reports, it contains four reports, three of them from its working groups.People from over 130 countries contributed to the IPCC Fourth Assessment Report over 6 years.
Rewrite this sentence for simplicity: Like previous assessment reports, it consists of four reports: People from over 130 countries contributed to the IPCC Fourth Assessment Report, which took 6 years to produce. Output: