News tagged with levels

Calcium loss turning lakes to 'jelly'

New research on a number of Canadian lakes show that historical acid deposits as a result of industry have greatly reduced calcium levels in the water - dramatically impacting populations of calcium-rich ...

Nov 18, 2014
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Risk analysis for a complex world

Developing adaptable systems for finance and international relations could help reduce the risk of major systemic collapses such as the 2008 financial crisis, according to a new analysis.

Nov 18, 2014
5 / 5 (1) 2

Pesticides linger longer in greenhouse crops

Researchers writing in the journal Chemosphere this week found that crops typically grown under glasshouses and poly-tunnels had higher levels and numbers of different pesticides in them than those typica ...

Nov 19, 2014
5 / 5 (2) 0