Sotheby's latest auction house to end rhino horn sales

Sotheby's on Saturday became the latest international auction house to end the sale of rhino horn artefacts, withdrawing antique lots from an upcoming event in Hong Kong following an outcry from environmental groups.

'Slacktivism' that works—small changes matter

In 2013, an online petition persuaded a national organization representing high school coaches to develop materials to educate coaches about sexual assault and how they could help reduce assaults by their athletes. Online ...

Groups protest chemicals used in iPhone

An environmental protection group and labor rights group are trying to pressure Apple into abandoning two hazardous chemicals used to make iPhones.

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