[konschubert]

It's almost impossible to compute. What's the CO2 impact of your google searches?

What's easy and effective is a CO2 emissions tax directly on the emitter. Anyone who burns coal or gas or oil has to pay.

[edejong]

It's a bit old research, and probably flawed, but at least some researchers tried to answer this question back in 2008: https://searchengineland.com/calculating-the-carbon-footprin...