Texto da Questão:
+
Let’s keep the lights on when she’s your age. What sort
of world will this little girl grow up in? Many experts
agree that it will be a considerably more energyhungry
one. There are already seven billion people on our planet. And the forecast is that there will be around two
billion more by 2050. So if we’re going to keep the lights
on for her, we will need to look at every possible energy
source. At Shell we’re exploring a broad mix of energies.
We’re making our fuels and lubricants more advanced
and more efficient than before. With our partner in Brazil, we’re also producing ethanol, a biofuel made from
renewable sugar cane. And we’re delivering natural gas
to more countries than any other energy company.
When used to generate electricity, natural gas emits
around half the CO2 of coal. Let’s broaden the world’s
energy mix. (Newsweek. June 25, 2012. Cover. Adapted.)
The sentence “Let’s broaden the world’s energy
mix.” means that
