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Jancovici's slides at Vivatech - 16/06/2019

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Slides used by Jean-Marc Jancovici à Vivatech's conference

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Jancovici's slides at Vivatech - 16/06/2019

  1. 1. jancovici.com Our global IT system, an energy saver, or a climate destroyer ? Jean-Marc Jancovici jmj@manicore.com jean-marc.jancovici@carbone4.com jean-marc.jancovici@theshiftproject.org VivaTech May 16 2019
  2. 2. www.jancovici.com 2°C, a piece of cake? Temperature increase in 2100 arising from cumulated emissions since 1870. IPCC, 2015 2017 Cumulated CO2 emissions since 1870 in Gt ÷ 3 in 2050
  3. 3. www.jancovici.com Dematerialized, uh?
  4. 4. www.jancovici.com No digital without device! Assessment of various environmental impacts of the production of three “basic” IT devices. Source: The Shift Project, 2018
  5. 5. www.jancovici.com A digital system is not just servers! Other production 6% TV production 11% Terminal use 20% Network use 16% Data center use 19% Smartphone production 11% Computer production 17% Source : https://theshiftproject.org/article/pour-une-sobriete-numerique-rapport-shift/
  6. 6. www.jancovici.com And virtue is not in sight Source: The Shift Project, 2018
  7. 7. www.jancovici.com Faster than air travel!
  8. 8. www.jancovici.com IT would dematerialize the rest of the world? CO2 emissions since 1860. Jancovici, on primary data from Shilling et al, and BP Statistical Review. Beginning of “IT revolution” (& “renewable boom”)
  9. 9. www.jancovici.com 1 H 2 He 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe 55 Cs 56 Ba * 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi ** *Lanthanides (rare earths) 57 La 58 Ce 59 Pr 60 Nd 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu **Actinides 90 Th 92 U Source : UNEP / Recycling rates of metals 2011 Recycling rate of metals < 1% 1 – 10% 10 – 25% 25 – 50% > 50% High tech saving the world: how many times can I play?
  10. 10. www.jancovici.com 18 months! You wouldn’t want the life expectancy of a smartphone

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