Have you heard of the horrors of the cobolt mining and war profiteering in Congo? Last years Nobel peace prize was awarded to 2 people helping the victims of these atrocities.
Why is this happening? Because of our insatbiable thirst for electronics!
What can you do? Use your stuff longer, don't buy unnecessary stuff, buy used, and if you need a new phone: Buy a @Fairphone!
Now version 3 is available, and it looks great: Modules, recycled materials, Fairtrade gold etc https://www.fairphone.com/en/2019/08/27/launching-fairphone-3/