From 2 Satellites, the Big Picture on Ice Melt

JOANNA M. FOSTER

Melting glaciers and ice caps are perhaps the most striking illustrations of the effects of global climate change. Surprisingly, however, there is relatively little data on just how fast the ice is disappearing.

Pollution in China: Man-made and visible from space

“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.

US tops global clean energy investment rankings

Mark Kinver

The US has regained top spot from China as the biggest investor in clean energy in 2011, according to global rankings.

The table, published in a report by the Pew Charitable Trusts, showed that US invested more than $48bn (£30bn) in the sector, up from $34bn in 2010.

Pollution in China: Man-made and visible from space

“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.

Water monitoring system aids Kenyan herders

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.

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