5.6 – number of
km a passenger could travel in an intercity bus using the same amount of energy it would
take to move her one km in a commercial jet 1.5 – number of km a passenger
could travel in a commercial jet using the same amount of energy it would take to move her
one km in a single-occupancy car
90
– percentage of total electricity used by a standard incandescent lightbulb that is
wasted as heat
454 – reduction in kg of carbon dioxide emitted into the atmosphere by
replacing one incandescent lightbulb with a compact fluorescent bulb, over the bulb's
lifetime.
10
– approximate number of litre of crude oil required to make one litre of jet fuel
291.4 – number of litre of jet fuel needed for a person to travel from New York
to Los Angeles on a commercial jet plane
A computer costs the average Bangladeshi more than eight
years' income, compared with one month's wage for
the average American
|
| The world's population touched one billion in 1804... 
...The second one billion took 123
years to accumulate, the last billion took
slightly more than a 10 years |
|
