This image gives the reader some basic information about Engineers Without Borders, an organization with active chapters all over the world. EWB employs engineers to design and implement sustainable projects in developing countries. There are chapters at both the university and professional levels.
“PM2.5” seems an odd and wonky term for the blogosphere to take up, but that is precisely what has happened in China in recent weeks. It refers to the smallest solid particles in the atmosphere—those less than 2.5 microns across. Such dust can get deep into people’s lungs; far deeper than that rated as PM10. Yet until recently China’s authorities have revealed measurements only for PM10. When people realised this, an online revolt broke out.
The UN estimates that 1.4 billion people have no access to electricity, hurting their ability to earn a living or educate their children. But connecting to an electric grid may not be the only solution.
[MARSEILLES] Hydropower could supply all of Africa's electricity needs if cross-border cooperation was stepped up, according to a UN report launched last week (12 March) at the World Water Forum in Marseilles, France.