Questão 1856636

45% (line 17) – the rise of world energy demand in 2007.

17% (line 19) – the increase of energetic demands predicted for 2030.

US\$8 billion over 10 years (line 41) – the sum of investments in coal-fired power stations until 2015.

20 gigawatts (line 44) – the energy that can be generated from wind power in 24 American states.

\$3 billion (line 61) – the amount of investments in conventional energies until the present time.