The discovery of gold in California 170 years ago was a turning point in global history. The gold rushes are not mere historic footnotes – they continue to influence the world in which we live today.
A new international report makes for bleak reading on the state of the world's soils. It predicts that land degradation will displace up to 700 million people worldwide by mid-century.
While it is true that the poorest residents of the city are not connected to the piped water network, neither are the richest. Then what causes water inequalities?
On March 11, 2011, a nuclear disaster struck Japan. Translated testimony by the power plant's manager reveals how close the world came to a greater catastrophe -- and how much there is to be learned.
Indonesia will freeze electricity prices until the end of 2019, a presidential election year. Research shows that earlier cuts to electricity subsidies led to improved efficiency in electricity use.
Three researchers studied the "crop raiders" of the Brazilian rainforest in the hope of aiding both local farmers and wildlife conservation.
Thousands of dirt roads crisscross the Brazilian Amazon, serving ranchers, loggers and miners. The area's fragile waterways — and the spectacular fish that live in them — pay a high price.
Governments are using Big Data to design improvements and upgrades of cities. But ethical questions need to be considered, lest we end up jeopardising citizens' privacy or deepen social inequalities.