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The Carbon Dioxide Information Analysis Center (CDIAC), located at the U. Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL), is the primary climate change data and information analysis center for DOE.
Revised (V1.1) 2016 global methane budget estimates from the Global Carbon Project are now available.
Atomic Number: 6 Atomic Weight: 12.0107 Melting Point: 3823 K (3550°C or 6422°F) Boiling Point: 4098 K (3825°C or 6917°F) Density: 2.2670 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Non-metal Period Number: 2 Group Number: 14 Group Name: none What's in a name? Three naturally occurring allotropes of carbon are known to exist: amorphous, graphite and diamond.
Carbon is most commonly obtained from coal deposits, although it usually must be processed into a form suitable for commercial use.
The 2016 global carbon budget estimates from the Global Carbon Project are now available.
CDIAC has updated its presentation of data from the NASA Goddard Institute for Space Studies Surface Temperature Analysis (GISTEMP), which finds that 2015 was by far the warmest year in the modern temperature record.
[See Periodic Table of the Elements] Carbon occurs naturally as carbon-12, which makes up almost 99 percent of the carbon in the universe; carbon-13, which makes up about 1 percent; and carbon-14, which makes up a minuscule amount of overall carbon but is very important in dating organic objects.