Q1: How much ambient RF spectrum intensity has there been during evolution vs. sunlight exposure?
Q2: How much has ambient RF spectrum intensity risen today vs. natural background levels?
A1: Virtually none.
A2: 10^18
Q2: How much has ambient RF spectrum intensity risen today vs. natural background levels?
A1: Virtually none.
A2: 10^18
For reference, on a sunny day the sun will dump 200+ W/m² on you in SF.