Shenzhen sits in subtropical south China, where four-fifths of the country’s water resources flow. The monsoon brings heavy rains from April to September; at its peak, Shenzhen’s more than 7 million residents see pouring rain almost every day. So why is this city facing a serious water shortage?

Isabel dos Santos, the daughter of Angolan President José Eduardo dos Santos and the richest woman in Africa, owes her wealth to the oil industry. Delfina Fernandes, a woman living in abject poverty in the village of Kibanga, uses gasoline as an anesthetic to dull the sheering pain of her rotting teeth.

Opportunities for research, enterprise, and exploration in the Arctic are expanding as climate change renders the northernmost reaches of the globe more accessible – and visible – than ever before. Often overlooked, however, are the people who actually live there. Four million people make their home in the resource-rich Arctic, where developers and policymakers are staking growing claims. [Video Below]

The World Economic Forum recently named water crisis the world’s number one risk for the next 10 years for its potential impact on people and industry. Indeed, as the global community grapples with climate change – and environmental change of all kinds – understanding the fundamental nature if water to human society is crucial. The input report for this year’s World Water Week, released yesterday by the Stockholm International Water Institute, in fact argues that getting water management right is a prerequisite for sustainable development.

President Obama’s recently announced Clean Power Plan – potentially a major turning point in the fight to contain greenhouse gas emissions and stop the slide toward an ever-warming Earth – is oddly both a courageous step in the right direction and codification of a process already underway.