Not sure but he might be referring to the fact that the silicon crystals used for these panels require poisonous gases that thousands times worse for the environment than most produced by any E source.
Or the fact that they require huge amounts of energy to produce. Often offsetting the energy they produce themselves by many years. Not to mention the energy for all these panel come mostly from China which uses mostly coal plants. Which also use some of the shittiest, low grade flammable dirt from Australia (it's cheap).
Or the fact that they require huge amounts of energy to produce. Often offsetting the energy they produce themselves by many years. Not to mention the energy for all these panel come mostly from China which uses mostly coal plants. Which also use some of the shittiest, low grade flammable dirt from Australia (it's cheap).