Big Snapshot

The environmental world is filled with amazing photo opportunities. We bring you a huge photo every day — like this tiger beating the heat. We've pulled them all together for your convenience.

Photo: Massive black hole galaxy spews powerful radio waves

Photo: Want to protest something? Chicago's the place to be

Photos: Rescued penguins explore new home

Photo: Cricket stars in the making

Photo: Greenpeace calls on Microsoft for cleaner clouds

Photos: Newly hatched Cygnets usher in start of summer

Photos: World-class divers descend on Florida

Photo: Michelle Obama honors moms, military spouses

Photo: Fuzzy baby elephant makes zoo debut

Photo: Synchronized swimmers ready to shine at Olympics

Photos: Surfers hold 'paddle-out' memorial for Junior Seau

Photos: Chimney sweeps celebrate spring tradition in Britain