The question usually comes from someone my grandmother's age, the well-intentioned but misguided "Sweetie, how’s your nonprofit doing?"

Appropriately and poetically, Mother Nature shouted for attention last month on the lead-up to this year’s Climate Week NYC — an annual event focused on driving climate action forward ...

Gap, Nike, Levi Strauss and other apparel companies made headlines in September when they committed to setting science-based greenhouse gas reduction targets.

Executing logistics operations can seem boring to those not directly involved: When it works, it is boring.

Business leaders, government officials and members of civil society are gathering once again in New York City for Climate Week NYC.

Today, at VERGE 17, Google and the Ellen MacArthur Foundation are launching a report on Cities in the Circular Economy: The Role of Digital Technology.

A warning: At the end of this article, I will raise some uncomfortable questions about sustainable development ...

The mission is ambitious, the motivations are myriad and the methods are many. What's more, the progress is notoriously difficult to measure.

You often hear about renewable energy success stories in cities in the developed world — such as Vancouver, which has committed to get 100 percent of its energy from renewable sources before 2050, or San Diego, which has promised to obtain 100 percent renewable electricity by 2035.

In the prevailing narrative of the rooftop solar industry, the dominant theme is combat.