The end of China’s draconian one-child policy has failed to bring an expected boom in births, adding yet another headwind to the country’s economy and compounding worries about its long-term growth potential.
Once criticized for being a profligate user of water, fast-growing Phoenix has taken some major steps — including banking water in underground reservoirs, slashing per-capita use, and recycling wastewater — in anticipation of the day when the flow from the Colorado River ends.
Growing populations and tightening water supplies have spurred people in many places - including the Middle East, Australia, California and China - to look to the oceans and other salty waters as a source of new drinking water.
A legacy of poor planning and illegal construction has resulted in overcrowding, income inequality and a health and sanitation crisis, particularly in informal settlements where the majority of Nairobi's residents live.
If current climate change trends continue, the Himalayas could heat up by 8 degrees Fahrenheit by century's end, bringing radical disruptions to food and water supplies, and mass population displacement.
The journalist and author has claimed climate change will soon render the world uninhabitable, leading his supporters to say he’s telling the terrifying truth and critics to brand him a reckless alarmist. Why is he so worried?
It's becoming clear that as California – with its continued population growth – faces the dual challenges of building more affordable housing and lowering carbon emissions, increasing housing density in urban areas offers a way forward.