HOW we understand and measure poverty has evolved. From early income-based definitions, Nobel laureate Amartya Sen’s “capability approach” in the 1980s broadened the concept, viewing poverty not just ...

RIO DE JANEIRO (AP) — When summer heat comes to the Arara neighborhood in northern Rio, it lingers, baking the red brick and concrete that make up many of the buildings long after the sun has gone ...

Add Yahoo as a preferred source to see more of our stories on Google. Billionaire philanthropist and tech entrepreneur Bill Gates is pressing the global community to shift its focus in the climate ...

A United Nations report revealed on Friday that nearly 80 percent of the world’s poorest populations—approximately 887 million people—reside in regions exposed to extreme heat, flooding, and other ...

Governor Jerry Brown is at the Vatican, where the Pope is hosting a conference on climate change. One warning siren about climate change rose above the rest this week, from prominent climate scientist ...

Tackling climate change, emerging health threats, and poverty in developing countries will top Google.org’s philanthropic agenda. After more than a year of research and planning, the charitable arm of ...