64 Climate Management Issues
(such as those listed on the Energy Star
®
program) also increases ef-
ciency and lowers the carbon footprint. Carbon footprints can be a helpful
measurement for those who want to take personal initiative and do their
part to ght climate change.
The timing is right for individuals to become aware of their personal
behavior and how it impacts the environment. The atmospheric concentra-
tion of CO
2
has risen by more than 30 percent in the last 250 years. Based on
a study conducted by Michael Raupach of the Commonwealth Scientic and
Industrial Research Organisation in Australia, worldwide carbon emissions
of anthropogenic CO
2
are rising faster than previously predicted (Global
Carbon