JE:

Remember the Leonardo DiCaprio and Al Gore global-warming pitch at the Academy Awards? Before they spoke, the screen at the back of the stage flashed not-so-subliminal messages about how to save the planet. My personal favorite was "Ride mass transit." This to a conclave of Hollywood plutocrats who have not seen the inside of a subway since the moon landing and for whom mass transit means a stretch limo seating no fewer than 10.

ACTUALIZACIÓN. Robert Samuelson tampoco traga:

The actual politics of global warming defies Hollywood's stereotypes. It's not saints vs. sinners. The lifestyles that produce greenhouse gases are deeply ingrained in modern economies and societies. Without major changes in technology, the consequences may be unalterable. Those who believe that addressing global warming is a moral imperative face an equivalent moral imperative to be candid about the costs, difficulties and uncertainties.