The Week in Pictures: Sperm Bikes, Royal Wedding Souvenirs, and More (Slideshow)

A bike shaped like a sperm that delivers sperm?! We can not make this up.

We also have weird and wacky royal wedding souvenirs, gorgeous satellite photos of Earth, a company that gives bonuses to workers who recycle, and more in our roundup of the best photos on TreeHugger this week.

Past Week in Pictures
The Week in Pictures: Earth Day, Mood Foods, and More
The Week in Pictures: Google's Mojave Solar Plant, 10 Places to See Before They're Gone, and More

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