Four Degrees

Contamination

What’s all the Phos about?

September 12, 2013
What’s all the Phos about?

Phosphate use for fertilisers, essential in modern agriculture, is hitting an all time high while resources are being heavily depleted. Flo discusses the background, numbers, geopolitics and potential solutions behind the issue of ‘the end of phosphorus’. The Issue The dilemma over diminishing natural resources is a topic of our times with the daily bulletins filled with reports relate ...[Read More]

Murky waters – what counts as good water quality?

August 12, 2013
Murky waters – what counts as good water quality?

Flo Bullough discusses the meaning of good and bad water quality, what’s in our tap water and what policies control the content of drinking water. Pressure on water supply and quality has been high on the public and media agenda over the last 18 months. The widely publicised drought in early 2012, recent reports that we are due to run out of clean water in this generation and the controversy aroun ...[Read More]