Academy Awards

It all started with Leonardo DiCaprio, who showed up at the foot of the red carpet in his very own Toyota Prius. Within a couple of years, alighting from a Prius hybrid--or any other hybrid, including the hulking Cadillac Escalade Hybrid luxury full-size sport-utility vehicle--was de rigeur for any celeb who hoped to burnish his or her green credentials. Now, there's a new kid in town. At the pre-Oscar Party held last night by Southern California nonprofit Global Green--which has strong ties to the Hollywood glitterati--many celebrities were photographed on the "green carpet" with the new...