The video clip below graphically describes the shocking disparity in wealth between the richest and poorest groups of Americans. The video points out that the wealth disparity is very different from what most Americans think is the case and what they would want it to be and includes a chart illustrating this. A similar Australian […]  Read more »

African Renewable Energies, a small London–based firm, aims to help poor communities in developing countries earn money and generate electricity from the innumerable rubbish tips around African cities. The idea is to cover landfill sites with thinfilm solar phovololtaic cells printed on to the flexible membranes used to cap landfills. Landfills in Africa are often […]  Read more »

In this video clip from the BBC’s "Joy of Stats", Professor Hans Rosling traces the progress of 200 countries over 200 years (in just 4 minutes) and projects it into the future.  Read more »

It is estimated that around 2.6 billion people have no proper sanitation. A group of students at the Massachusetts Institute of Technology have developed a low cost, modular sanitation solution which they call "Sanergy". The project, which would be operated and maintained by locals and the waste transported to nearby processing plants, through a network […]  Read more »

In the past 20 years, income per capita in the rich countries has increased by 30%. In the poorest countries, it has been steadily dropping. In 1980, the wealth of the richest 5% of the world’s population was six times that of the poorest 5%; today, the wealth of the richest 5% is 200 times […]  Read more »