Leading scientists warn: Phosphorus pollution is a major concern. We need to speed up recovery treatments of lakes – or accept poor freshwater quality. In a series of studies published in a special issue of the journal Water Research, leading scientists assess how to control phosphorus pollution in lakes.- In 40 % of Europe's lakes the…

Oxygen is crucial for the existence of animals on Earth. But, an increase in oxygen did not apparently lead to the rise of the first animals. New research shows that 1.4 billion years ago there was enough oxygen for animals – and yet over 800 million years went by before the first animals appeared on…