— It is highly dangerous for the well being of humanity.
— The price is paid in ecological terms (improvement of resources).
Detailed Answer :
The writer says that the model of development based on consumerism is suicidal as we'll have to pay the price in ecological terms as natural resources will become scarce.
The damage, caused by extreme consumerism will leave nothing, standing on this earth. So it is highly dangerous for the well being of humanity
