One of the joys of browsing secondhand shops is the possibility of finding old, perhaps restorable or hackable, electronics at low prices. Admittedly, they usually seem to be old flat-screen TVs, ...

There are many different principles on which to draw in moral reasoning about specific environmental problems. This lesson reviews three basic pairs of principles: justice and sustainability; ...

The Ngorongoro Conservation Area spans vast expanses of highland plains, savanna, savanna woodlands and forests. Established in 1959 as a multiple land use area, with wildlife coexisting with ...