PlanetEarth Online

Coccoliths thrive despite ocean acidification

Ocean acidification is damaging some marine species while others thrive, say scientists. An international team studied the effect of ocean acidification on plankton in the North Sea over the past forty years, ...

May 22, 2013 4.7 / 5 (3) 1 | with audio podcast

Calculate your nitrogen footprint

Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.

May 15, 2013 5 / 5 (1) 0

Climate change already affecting UK wildlife

UK wildlife is already feeling the effects of climate change, scientists say. According to a report out on Thursday, with input from many of the UK's top environmental scientists, many species are now found ...

May 09, 2013 3.9 / 5 (8) 0

Salt causes chalk cliffs to collapse

Salt plays a greater role in undermining chalk cliffs than previously thought, say scientists. Until recently, if a chalk cliff collapsed it was blamed on waves eroding its base, or the chalk weakening as ...

Apr 19, 2013 4 / 5 (6) 2 | with audio podcast