Green energy: Which sources are the most sustainable? | The Economist



Fossil fuels still supply about 80% of the world’s power. How can energy be produced and used more sustainably to meet climate targets? We answer your questions. film supported by @Infosys

00:00 – Why energy needs to become more sustainable
00:33 – How much energy should come from renewables?
01:19 – Why isn’t nuclear power used more widely?
02:19 – How can solar power be made more efficient?
03:34 – Will biofuels become widely used?
04:30 – Do electric vehicles make a difference?
05:10 – How heating and air conditioning can be more sustainable

Sign up to our fortnightly newsletter on climate change: https://econ.st/3pSnqt7

Find all of our climate change coverage: https://econ.st/33gSs6g

The use of renewable energy is accelerating: https://econ.st/3IRkCFl

Read about the first big energy shock of the green era: https://econ.st/3EZDmQK

The bottlenecks which could constrain emission cuts: https://econ.st/3GKwg2R

How governments spurred the rise of solar power: https://econ.st/3yrt2yi

Read about the new solar cells that extract more energy from sunshine: https://econ.st/3pWOeID

Watch our film about how to cool a warming world: https://econ.st/3m65o5D

Nuclear power must be well regulated, not ditched: https://econ.st/3J2fY7E

Can smaller reactors make nuclear power economic? https://econ.st/3pVKszu

Is hydrogen the fuel of the future? Watch our film: https://econ.st/3IRNH3C

Why creating a new hydrogen economy is a massive undertaking: https://econ.st/327snG4

Why efforts to make buildings greener are not working: https://econ.st/3GHTPcE

How a new, green air-conditioning system manages without nasty gases: https://econ.st/31ZpCqS

How electrical energy can be captured as liquid air: https://econ.st/3m6MKun

The tricky business of charging electric cars: https://econ.st/31ZpoQv

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