Our picks for the week of Oct. 10-16:
• Should the U.S. government spend $2 million to trick students into making better lunch choices? Food blogger Robin Shreeves jumps into the fray. Plus: The lunch-line psychology issue also draws in family blogger Jenn Savedge.
• It's officially fall — time for "leaf peepers" to seek out some gorgeous color displays. Here are 10 national and state parks for fall leaf watching.
• You can't drive your car past these jaw-dropping views, but you'll enjoy them regardless: 10 cool images of Mars.
• Marathons are good for runners, but are they good for the planet? Matt Hickman fetches some facts about green foot races.
• Did you miss National School Lunch Week? No problem. Here are seven ideas for greening your lunch, including the one your kids bring from home.
• Because Halloween is right around the corner, we've created a guide to the perfect carved pumpkin. Plus: We've pulled together everything you need to make the holiday go smoothly, from easy costumes to eco-conscious treats.
• A trip to the local seafood counter can be confusing for shoppers with good eco-intentions. Here's a quick cheat sheet on farmed vs. wild seafood.
• And finally, our auto blogger makes mincemeat of this week's controversy: Is the Chevy Volt a true all-electric car?
Plus: Don't miss the week in photos, which takes you to Hungary's toxic sludge fields and beyond.