Top 10 Tornado Videos, Free National Parks, Organic Restaurants

Dear friend of Mother Nature and Plenty magazine,   Tornadoes are one of the planet's most photogenic natural disasters. As this year's U.S. twister season hits its peak, we've rounded up the wildest 10 videos that best convey these storms' - and storm chasers' - intensity.  Also, did you know that the U.S. has more tornadoes than anywhere on Earth? Find out why. Other stories we're tracking: Can organic & fast-food live together? We pick the top 10 organic fast-food restaurants in the U.S. First a green Macbook. Now a new energy-efficient OS. Is Apple going green? We name the best eco-mayors in the U.S. See if your city's leader made the cut. Have you seen NYC's new High Line? It's a stunning new green space in the city...10 years in the making. Top 10 ways to use up tortilla chip crumbs - those broken chips at the bottom of the bag are a cook's dream! You read it here first: Sweeter-smelling cow burps may help fight global warming. Why did the Chinese buy Hummer? Our car blogger can't figure it out either. MNN's green solution will prepare you for Friday's digital TV conversion. And a parting request: Our Twitter home and our Facebook annex await your smart insights. Looking forward to your visit, The team at MNN A final thought: We believe you're going to find the Mother Nature Network to be a valuable source of information.

Quick Links The National Park Service plans 3 no-fee weekends this summer.  Find out the dates and details here. Check out our new CA, Kansas and Michigan student bloggers and learn about green events in your state. Great green gifts for Dad. Clever and affordable .   And Don't MIss     Thanks to an environmental photo contest hosted by Dell, your photo could be worth $1,000. If you're in Atlanta, visit Go Green Expo -- Features eco-friendly booths filled with hybrid cars, building & home products, organic food, eco-fashion & more. Find out how AT&T's "Green Fleet" is greening your neighborhood (sponsored).

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