More and more people are streaming into the world’s cities, magnifying already serious issues such as pollution, waste management and disease. What should we expect in the coming decades?

When the kingdom of Judah fails to heed the final, dire warnings of the prophets, their fate is sealed.

Our food supply may well become the greatest challenge of the century. And directly linked to it are dwindling global water reserves. Will we have enough of either to survive? Each of us holds the key.

Politicians often promise change, yet they seldom deliver. Still, we keep hoping that next time will be different. It’s a vain hope, and here’s why.

Africa’s population boom makes it ripe for commercial exploitation, and foreign investors have been quick to spot the opportunity. How does Africa’s future look?

Coming to grips with the reality of a world freighted with sorrow, betrayal and disappointment means confronting not only the failures of those we’ve trusted but also the part we play.

David Hulme interviews Australian science writer and author Julian Cribb about what it will take for the human race to make it through this century.

The food we produce today could adequately feed the world, yet we throw it away by the tons. Not only do millions go hungry as a result, but our wastefulness has a direct environmental impact.