[…] the networked teacher—the infonaut charting a course with her students across the vast terrain of Internet communities, databases, and WWW sites—can connect with other teachers in on-line professional communities […]

, NYRB 2001, vol.1, p.327-8: The non-necessary [causes] follow; of which, saith Fuchsius, no art can be made, by reason of their uncertainty, casualty, and multitude […]

Hay's main concern, in the light of an antigreen backlash, is that homocentric democracy is insufficient for the achievement of the ecocentric goals[…]

The class has a number of prerequisites, so sadly there is a barrier to entry.