A recent study on the effect of 'green' marketing on light bulb purchases underscores the role ideology plays in energy efficiency. To sell more energy efficient products, companies should rethink eco-advertising.
This week's round-up of Good Reads includes helping dogs who come home from war zones, the dilemma behind telling Malala Yousafzai's story, why more mothers aren't choosing marriage, and a quest to bring back the wooly mammoth.
The aggregate wealth of the world's billionaires is at an all-time high, and 210 new names, including 34 women, have joined the list.
Without Hugo Chávez's visible presence in Venezuela problems like declining infrastructure and economic stability are increasingly apparent.