user phone cycle

climate-change.md

@@ -174,6 +174,21 @@ Choice of technology matters
 
 Average web page size raised by **1240%** in 10 years
 
+<!-- --- -->
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+<!-- - average mobile phone : **55 kg** of carbon emissions
+- **1.55 billion** phones are sold per year 
+
+- EU 2019 : **14.2 million tonnes** of CO2 -->
+
+---
+
+^ https://www.coolblue.nl/en/advice/lifespan-smartphone.html#:~:text=The%20Consumentenbond%20estimates%20the%20average,last%2015%20to%2018%20months.
+
+The Consumentenbond estimates **the average lifespan at 2.5 years**. 
+
+<!-- Other sources indicate that a new smartphone will last **15 to 18 months**. -->
+
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 ^ 80% of the cost is in the production of devices. Let's make sure NOT to need to change devices.
@@ -186,13 +201,6 @@ Your users' smartphone
 
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-- average mobile phone : **55 kg** of carbon emissions
-- **1.55 billion** phones are sold per year 
-
-- EU 2019 : **14.2 million tonnes** of CO2
-
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-
 ^ https://www.theguardian.com/commentisfree/2021/sep/18/want-to-save-the-earth-then-dont-buy-that-shiny-new-iphone
 
 **Buying** one new phone takes as much energy as recharging and operating a smartphone **for an entire decade**