WE ARE ADDING CO2 14000 TIMES FASTER
Research on bubbles of ancient atmospheres in Antarctic ice shows that we are adding carbon-dioxide to the atmosphere 14,000 times faster than natural processes, throwing the global system so far out of equilibrium that it will not recover for hundreds of thousands of years.
The full report is in ScienceDaily.
The BBC's report has a simpler presentation of the same information with a slightly different emphasis.