As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

If you think about it, snow is a pretty amazing thing. It is nature’s way of storing water in the winter, and then using it in the summer when it is needed, namely during the growing season. If it…

Kulsum Ahmed |

There is nothing worse than having to wonder if you will be able to afford tomorrow's meal. Or the day after's. But for millions of poor in the Kyrgyz Republic, it is routine - and their…

Aarthi Sivaraman |

A remarkable thing happened at the US Treasury in DC today; the United States, Canada, Spain, South Korea and the Bill and Melinda Gates Foundation agreed to pool resources, and as Bill Gates…

Fionna Douglas |