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We have enough minerals for the energy transition, but medium-term supply is a challenge [Part 1]
We won't run out of minerals to build a low-carbon energy system.
Dec 1
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Hannah Ritchie
49
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We have enough minerals for the energy transition, but medium-term supply is a challenge [Part 1]
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November 2023
How much waste do solar panels and wind turbines produce?
Solar and wind produce less waste than coal; but they can reduce waste even further
Nov 20
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Hannah Ritchie
90
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How much waste do solar panels and wind turbines produce?
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The world has enough minerals for low-carbon electricity
Total reserves are not the issue – mine construction and geopolitical risks are likely to be larger barriers to progress.
Nov 13
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Hannah Ritchie
67
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The world has enough minerals for low-carbon electricity
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The low-carbon energy transition will need less mining than fossil fuels, even when adjusted for waste rock
Low-carbon electricity will reduce material requirements, but moving to electric vehicles increases them
Nov 6
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Hannah Ritchie
75
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The low-carbon energy transition will need less mining than fossil fuels, even when adjusted for waste rock
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October 2023
Can solar and wind power Britain? An update of David MacKay’s numbers
These technologies have developed a lot since 2008. Should we be any more optimistic about their potential to power Britain?
Oct 30
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Hannah Ritchie
80
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Can solar and wind power Britain? An update of David MacKay’s numbers
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79
Electrification is efficiency: The world will need less energy after the transition
Electrification means that final energy demand falls, without changing the value that we get from energy services.
Oct 23
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Hannah Ritchie
95
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Electrification is efficiency: The world will need less energy after the transition
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34
Meat substitutes need to get a lot cheaper
Meat substitutes are more expensive than their meaty equivalents. Until they're cheaper, they will struggle to bite into the protein market.
Oct 12
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Hannah Ritchie
94
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Meat substitutes need to get a lot cheaper
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36
Net-zero: it’s not just where you end up, but how you get there that matters
Delaying emissions cuts makes climate change worse, even if countries reach net-zero in 2050.
Oct 3
•
Hannah Ritchie
85
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Net-zero: it’s not just where you end up, but how you get there that matters
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September 2023
How much biofuel would we need to decarbonise aviation?
The world could need four to five times as much land for biofuels as it uses today.
Sep 29
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Hannah Ritchie
46
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How much biofuel would we need to decarbonise aviation?
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How much does aviation contribute to climate change? How will this change in the future?
Aviation is responsible for around 3% of global emissions, and will be one of the hardest sectors to tackle.
Sep 26
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Hannah Ritchie
83
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How much does aviation contribute to climate change? How will this change in the future?
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My TED Talk is now live
We can live well and tackle our environmental problems at the same time. Let's do it.
Sep 22
•
Hannah Ritchie
96
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My TED Talk is now live
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How much more electricity will the UK need to switch to electric vehicles?
Going to 100% electric cars would increase electricity demand by around one-quarter. Moving all road transport to electric would increase it by around…
Sep 15
•
Hannah Ritchie
75
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How much more electricity will the UK need to switch to electric vehicles?
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