* less consumption of manufactured goods * less travel, both of humans and freight * high density housing instead of SFHs That can significantly red

* less consumption of manufactured goods * less travel, both of humans and freight * high density housing instead of SFHs That can significantly reduce CO2 in the short term. Sure you won't be able to buy as many widgets on Amazon - but we won't be on hackernews discussing silly carbon capture methods to make marginal gains that will never feasibly happen on a global scale.