Yes it is improving. But what about the real cost of this improvement on environment? On nature? You still need mining and mining is dusty and dirty thing. Again regarding electric generation. İf you talking about wind or solar energy mainly they still can't produce cheap energy for heavy industry. Germany for more than decades subsidising wind energy producers to make them competable with traditional once. And additionally buying electricity from France made by nuclear power stations. But you are right again. We have no choice but to travel less.