Meet the World's Cutest Polar Bear: Siku!Hand-raised since infancy, this 3-month-old cub has become an object of adoration – and an ambassador for polar bear conservation

6 of 10

WIDE OPEN

How can you help? Like the catchphrase goes: Recycle, Reduce, Reuse. Doing simple things like buying products with less packaging and swapping clothes instead of buying new ones can reduce carbon emissions.