Our picks for the week of May 3-9:
• Natural beauty: This Miss USA contestant is making green her color on the issues.
• 10 stunning houses: Flip through this photo gallery of gorgeous, environmentally friendly houses.
• Understanding radon: Translating Uncle Sam helps you understand the silent killer lurking in your home.
• Got goats? Google ditches gas-guzzling lawn mowers, opting for hungry goats instead.
• Milan Furniture Fair: MNN's European correspondent gives you the scoop on this international fair with flair.
• Green chic: Ecollywood checks in with Isaac Mizrahi on his new TV show and the greening of fashion.
• Save the rain forest: An array of stars heeds the call from Prince Charles to take action. Watch the video.