The head of the United Nations World Meteorological Organisationn, Michel Jarraud, said "it is extremely likely that changes in our climate system in the past half century are due to human influence".
The federal Climate Science Special Report from June concludes that "it is extremely likely that human influence has been the dominant cause" of our warming climate.
There, the agency stated that "it is extremely likely that human activities have been the dominant cause" of global warming". The site explained that "recent climate changes...cannot be explained by natural causes alone.
But in its latest report, the IPCC states with 95percentt confidence that it is "extremely likely" that "more than half of the observed increase in global average surface temperature from 1951 to 2010" was caused by human activities.
"I believe it is extremely likely that there is earlier usage than 1969," he said.
It say that it is "extremely likely"—IPCC speak for having a probability of over 95%—that man is responsible.
The head of the UN WMO said "it is extremely likely that changes in our climate system in the past half century are due to human influence".
It is extremely likely that Congress will "patch" the AMT, though, even if it does nothing else for the next 46 days.
The scientists state: "It is extremely likely that human influence has been the dominant cause of the observed warming since the mid-20th century".
It is extremely likely that the dominant cause of recent warming is human-induced greenhouse gas emissions and not natural climate variability.
Most notably, the panel now says it is "extremely likely" (greater than 95 percent confidence) that most warming between 1951 and 2010 was human-caused.
