The UN estimates 8 million extra teachers are needed worldwide by 2015. But how do countries compare? Get the full data here

20 September 2011 – Warning that a lack of access to affordable and clean energy is jeopardizing the achievemen

Michael Kanellos

The world’s most important invention—the technological breakthrough that has fundamentally changed family life for the better nearly everywhere—isn’t particularly extravagant. In fact, you probably have one.

What is it? The car? The computer? The cell phone? Not quite.

Charmaine Noronha

Luke Copland is an associate professor in the geography department at the University of Ottawa who co-authored the research published on Carleton University’s website.

At the beginning of presentations introducing The Hunger Project (THP), we often address the difference between chronic hunger and famine.

Andrew Burger

Global carbon dioxide (CO2) emissions reached an all-time high in 2010, rising 45% in the past 20 years.

Severin Carrell

Former US vice president tells Scottish green conference that evidence from floods in Pakistan and China is compelling

Deborah Zabarenko

* More food possible without water crisis, experts say

* Africa has greatest potential for improvement

By Deborah Zabarenko, Environment Correspondent

Mark Delucchi

We don’t need nuclear power, coal, or biofuels. We can get 100 percent of our energy from wind, water, and solar (WWS) power. And we can do it today—efficiently, reliably, safely, sustainably, and economically.