Plenty's not a strictly scientific or niche publication. Like Wired, the magazine has a definite lifestyle take that means articles like "Haute Cuisine for a Sustainable Planet," which looks recycled fashions as couture, and another on which ski areas have the most earth-friendly policies. Pitch technology, travel, humor, big social and political issues, design, architecture. Don't pitch nebulous but enthusiastic ideas about hybrid cars, windmill farms on Cape Cod, or other basic environmental topics. More details here.