Activism is the practice of strong, vigorous support (through action) in support of or against a controversial issue. Environmental activism efforts include battling climate change and greenhouse gas emissions, defending the oceans, protecting forests, creating a toxic-free future, campaigning for sustainable agriculture, protesting animal testing, promoting vegetarianism/veganism, protecting endangered species and many more. (Source: Merriam-Webster Dictionary, Greenpeace / Photo: Flickr)

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A dog locked up for 2 years tastes freedom

Discarded dogs are finding love for the first time — in prison

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It's time to stop listening to your elders

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U.K. to ban wild animals in circuses

In wake of latest school shooting, Georgia woman organizes walkouts, strikes a chord

A cow's incredible bid for freedom ends in tragedy

That moment when an angry shelter dog breaks down — and demands to be loved