“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.

New Hampshire, USA -- Japan this week marks the one year anniversary of the devastating earthquake and tsunami that has since forced it to re-evaluate its nuclear strategy.

Fiona Harvey

Sub-Saharan states need to move to renewable energy sources as $15bn in aid is outstripped by $18bn in oil imports, says IEA

Geoffrey Kamadi

NAIROBI, Kenya (AlertNet) – Satellite technology is coming to the aid of pastoralists in drought-stricken Kenya, with the expansion of a water monitoring system that aims to reduce livestock loss.

Damage from disaster so severe that clean-up expected to take decades, according to latest examination of nuclear plant

Alecia D. McKenzie

[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.

david biello

The world has never seen anything like China’s dizzying urbanization boom, which has taken a heavy environmental toll.