Tagged: Environment and Ecology

Visualising 268,000 tonnes of floating plastic in the world’s oceans - Guest Work

Guest Author • Dec 12, 2014 •

by Laurent Lebreton, data scientist at dumpark A recent study on marine plastic pollution published in the journal PlosOne estimates that some 5.25 trillion plastic particles weighing more than 268.000 tonnes are floating on the world’s oceans. Over a six-year period, researchers from six different countries collected plastic density data from 24 expeditions into the five main oceanic basins … Read More

Toward a green society - Guest Work

Guest Author • Apr 07, 2014 •

Maurice Judd is an environmental chemist teaching environmental science, sustainability and interdisciplinary studies at the tertiary level.  He comments on the recent Royal Society Report: Facing the future:  toward a green economy for New Zealand. The recent expert Royal Society paper:  Facing the future: toward a green economy for New Zealand, is an excellent document and I encourage readers … Read More

Featured image: There is always more than one cat

There is always more than one cat - Politecol

- Wayne Linklater • Dec 07, 2013 •

Cats might be a “beneficial urban predator” according to Dr. John Flux and his conclusion featured prominently in the media to have a major influence on the public debate about cats and native wildlife. But Dr. Flux’s conclusion has relied heavily for evidence from just one cat [1]. Dr. John Flux, and the … Read More

Dr. Flux’s cat misleads us - Politecol

- Wayne Linklater • Nov 18, 2013 •

Our cats bring us only a fraction, less than half, of their prey and we are less likely to see the small, more palatable prey, like small reptiles and nestlings (Source: www.kittycat.co.za). Cats are a “beneficial urban predator” according to Dr. John Flux and his conclusion featured prominently in the media to have a … Read More