Happy Halloween from MNN!

A few of us couldn’t resist wearing costumes to the office today.

And how amazing is Lisa’s Grover skirt?!

Check out some of our top Halloween stories for tips on how to have a safe, frugal and green holiday:

• 8 ways to keep your pet safe and happy on Halloween
• 5 tips to save money this Halloween
• Top 10 Halloween costumes for pets
• Green Halloween: 12 eco-friendly tips

Happy Halloween from MNN!