Workers at Mahindra's Ann Arbor, Mich., factory load up a new GenZe for shipping to the initial markets of the San Francisco Bay Area and Portland, Ore. Courtesy of Mahindra hide caption

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Nimmu, 15, on the terrace of the Veerni Institute. To stay in school, she needs to pass a national test this March. The problem: "I'm not a great student," she says. Because child marriage is illegal in India, we can't use her full name. Poulomi Basu/VII Photo hide caption

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Goats and Soda

Why This Child Bride Needs Good Grades: #15Girls

Nimmu attends the Veerni boarding school in Jodhpur, India. The grade she gets on a national exam this year will decide her future.

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Relatives mourn Mohammad Ikhlaq Saifi in his village outside New Delhi last month. The Muslim man was lynched, allegedly by a Hindu mob, after he was accused of killing a cow. Manish Swarup/AP hide caption

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Nuns of the Missionaries of Charity pray last month at the Mother House, the Missionaries' head office, in Kolkata, India. Dibyangshu Sarkar/AFP/Getty Images hide caption

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India's capital is among the most polluted cities in the world, thanks in large part to the growing number of vehicles on its roads. In its just-announced climate change plan, India does not commit to an absolute reduction of its emissions. Instead, it will slow the release of greenhouse gases. DIBYANGSHU SARKAR/AFP/Getty Images hide caption

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The seeds of pods from the moringa tree taste like green beans, only sweeter. And they're good for you, too. PHONLAWAT/iStockphoto hide caption

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Penicillin became a wonder drug for fighting infections in the 1940s. Jean-Claude Fide was an early adapter, injected in 1948 in the French town of Mont-pres-Chambord. Bert Hardy/Picture Post/Getty Images hide caption

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Jawaharlal Nehru, here conferring with Mahatma Gandhi, was India's first prime minister and a key figure in the country's 20th century independence struggle. Central Press/Getty Images hide caption

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Members of the Jain community in Mumbai, India, protest a High Court order that banned santhara, a practice of fasting until death. Rafiq Maqbool/AP hide caption

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