For idealism? So it's idealist to want a sustainable society that doesn't destroy the planet a short couple hundred years after discovering fossil fuels and in

For idealism? So it's idealist to want a sustainable society that doesn't destroy the planet a short couple hundred years after discovering fossil fuels and industrial food production? How is that idealist? Idealism is thinking that the current situation is somehow salvageable without extreme overhauls. And plus, no one is saying to go back to oxen and carts. That is fairly ridiculous so my response was equally ridiculous.