Published every six years, the IPCC Assessment Reports are the most comprehensive international assessments on the state of climate science. Similar to prior studies, AR5 is the product of a consensus based process combining the most current scientific data with input from more than 800 climate scientists from dozens of countries.

The AR5 alerts on these key messages:

• Humans are largely responsible for rising global temperatures: global surface air temperatures have risen more slowly in recent years, but warming in the oceans Continue reading →