People like Chris Huhne are willing to talk the talk while in office, but they will usually capitulate to business interests.
There are two competing theories.
My village, just outside Barnsley on the A635, used to supply the workers for lots of coal mines: Darfield Main, Grimethorpe, Houghton Main, Dearne Valley Drift, Goldthorpe, Barnburgh, Cortonwood; names of closed pits ringing like bells.
Sure, a gif of a man getting drenched in exploding whale guts is hilarious, but it could have been worse.
The disappearance of frogs and toads contributes to the appalling modern phenomenon that conservationists are now encountering everywhere: “trophic cascade”.
Like a human infant, a young bird begins with an inherited, hard-wired gift for the song language of its species and, like human beings, each has a sensitive period when it learns how to sing from a parent or (in laboratory studies) a “tutor”.
High Alpine meadows, like their near relatives prairie and wetland, teach us to consider the world from a fresh perspective.
The idea of “rewilding” the environment with depleted species seems sound. But, warns John Burnside, we mustn’t manipulate the world — which wasn’t built around us — just to suit our impractical fantasies.
In our Nature column, poet Ruth Padel considers the tortoise - the animal which refuses to be read.
In our Nature column, Sophie Elmhirst tips her toe along Dorset's Jurassic Coast to discover the reality of sea-swimming on home turf.