Natural Climate Patterns
- September 23, 2014
The annual minimum was 5.02 million square kilometers (1.94 million square miles), making 2014 the sixth smallest extent in the satellite era, which began in 1979.
- September 17, 2014
Natural variability can explain much of Earth's average temperature variation since the end of the last ice age, but over the past century, global average temperature has risen from near the coldest to the warmest levels in the past 11,300 years.