The essence of Africa's crisis is fundamentally its extreme poverty and therefore its inability to mobilize out of its own resources even the barest of minimum resources to address any of the public health crises that Africa faces.

Extreme poverty is the best breeding ground on earth for disease, political instability, and terrorism.

The defining challenge of the 21st century will be to face the reality that humanity shares a common fate on a crowded planet.

Soil mapping is one of the pillars to the challenge of sustainable development

I believe myself that there's a great deal more interest and engagement among Americans than our politicians recognize.

Roosevelt talked not only about Freedom from Fear, but also Freedom from Want.

Obama is already setting a new historic course by reorienting the economy from private consumption to public investments... Rightwing pundits bemoan the evident intention of Obama and team to 'tell us what kind of car to drive'. Yet that is exactly what they intend to do...and rightly so. Free-market ideology is an anachronism in an era of climate change.