Self-test questions: Chapter 12

Self-test questions: Chapter 12

. In 2015, the world's population totalled nearly 7.5 billion people. What proportion of these did not have access to reliable, affordable mains electricity?

. By 2035, global CO2 emissions must fall to what proportion of the current level to limit the global temperature rise to 2°C above pre-industrial levels?

. In 2015 what proportion of global energy investment went into renewables?

. What do the letters BAU stand for when describing an energy scenario?

. What proportion of Denmark's electricity was supplied from wind power in 2014?

. CCS is one possible technology for cutting global carbon dioxide emissions. What do the letters stand for?

. What two electricity generating technologies are present in 2050 in the IEA/IRENA 66% scenario that are not used in the Greenpeace scenario?

. Many renewable energy technologies have shown high growth rates since 2010. However, in the Greenpeace scenario which two are only given a 1% annual growth rate?

. The IEA/IRENA 66% and Greenpeace scenarios see a rapid fall in world coal use. In these scenarios what proportion of the world's current coal reserves will still be left in the ground in 2050?

. In the three energy scenarios described in this chapter how is world natural gas demand seen as changing between now and 2030?

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