Many people don't want to have to make these decisions. We have biotechnology. But we don't understand biology nearly as well as we do the 'made up' sciences of physics and chemistry. We ought to preserving them for their biodiversity , not for their oxygen production. Greg Benford has suggested that we should 'save the soil bacteria' by freezing plugs of earth in liquid nitrogen.
Email never importunes.
Email may resurrect written communications. The complaints against the Internet echo complaints originally made about the telephone, which would allow women to have conversations with men other than their husbands , and that people could talk when not fully clothed . The first American Indian met by the Pilgrim Fathers already spoke English, Spanish and French. There is often more communication going on than we might realise. Culture shock is worse when things look similar for a while, then a difference smacks you in the teeth.