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.

Photos: Anori, half-sister of the late polar bear Knut, makes her debut

Cutting the lights off around the world for Earth Hour

Photo: Gasoline worries spark panic buying across the pond

Photo: Cyclists descend on Australia for last chance at Olympics

Photos: Parakeet orphans rescued in India

Photos: Kids join first lady at annual spring planting at the White House

Preparing for Easter with intricate Pysanka eggs

Photos: Solar stop on Obama's energy tour

Photos: What does clean water mean to you?

Photo: Baby rhino sparks hope for species' survival

Photo: Tulips and tourists greet the vernal equinox in D.C.

Holi: Celebrating spring's arrival with a splash of color