The Week in Pictures: The Carbon Footprint of Love, Wacky Solar Powered Things and More (Slideshow)

Just what is the carbon footprint of love in a globalized world, and what can we do to reduce it? TreeHugger Sami, as a younger, idealistic activist in England, once vowed never to fly again. Then he fell in love with an American, got married, and did his part to contribute to population growth.

We also have wacky and unexpected things tapping solar power; a PETA seal coaster controversy; an update on Japan's nuclear crisis; Big Macs stamped with a calorie count; and more, in our photo roundup of the best photos in TreeHugger this week.

Past Week in Pictures
The Week in Pictures: Royal Wedding Knitted, Japan's Devastating Earthquake and Tsunami, and More
The Week in Pictures: Best Bikes for City Riding, Crackdown on Farm Photos, and More

Photo: Interface Studio Architects

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