Dirty air has finally become an issue in Indian election manifestos, along with perennial subjects such as temple-building and farmers’ incomes. That shouldn’t be a surprise: Even politicians can’t escape air pollution, which has reduced life expectancy in areas near the capital New Delhi by more than 12 years. To address the issue, the government earlier this year laid out ...

On the surface, our modern system of food production looks efficient: It produces plenty of food and seems highly innovative. But it also encourages people to eat unhealthy sugars and fats, while fully one-third of all food produced is lost or goes to waste. Industrial agriculture is defiling lakes and rivers with chemical runoff and depleting irreplaceable fertile topsoils. The ...

Uber Technologies Inc.’s initial public offering will be a bittersweet moment for private equity giant Carlyle Group and its London minicab firm Addison Lee Holdings Ltd. Uber will almost certainly join its fellow ride-hailing company Lyft Inc. in securing a nosebleed market value, despite making heavy losses. The investor buzz could benefit Carlyle as it looks to exit from its ...