The New Oxford American Dictionary announced last week that the Word of the Year for 2006 is Carbon Neutral:
Being carbon neutral involves calculating your total climate-damaging carbon emissions, reducing them where possible, and then balancing your remaining emissions, often by purchasing a carbon offset: paying to plant new trees or investing in "green" technologies such as solar and wind power.
The interdisciplinary DDC number for "carbon neutral" is 363.738746 Control of greenhouse gases (built with 363.73874 Greenhouse gases plus notation 6 Control from the add table under 362-363 Specific social problems and services). The LCSH headings "Carbon dioxide mitigation" and "Greenhouse gas mitigation" have both been mapped to that number.
The comprehensive technology number for "carbon neutral" is 628.532 Pollution control technology for air pollution by products of combustion.
Specific "green" topics are classed with the topic. For example, the interdisciplinary DDC number for reforestation is 333.75153 Reforestation (built with 333.75 Forest lands plus 153 Reclamation, rehabilitation, restoration from the add table under 333.7-333.9 Natural resources and energy). The comprehensive technology number is 634.956 Forestation.
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