Tagged: Pollution

Plastic oceans, plastic diets: The unsavoury reality for seabirds - News

Erica Mather Sep 02, 2015

A new study predicts that 99 per cent of the world’s seabirds will consume plastic by 2050.  Seabirds easily mistake brightly coloured plastics for food or accidentally swallow pieces such as bottle caps, bags and fibres from synthetic clothing that have washed out to sea from waste deposits, sewers and rivers. Scientists from CSIRO (Commonwealth Scientific and Industrial … Read More

Lead pollution beat Amundsen and Scott to the South Pole by 20 years - Guest Work

Guest Author Jul 31, 2014

By Joe McConnell, Desert Research Institute We know elements of the story. It was 1911, as Robert Scott and Roald Amundsen raced to the South Pole. Temperatures were below -50˚C. Scott was British; Amundsen a Norwegian. Sled dogs were dying, and the explorers suffered from frostbite. The stakes were high, with financing of future explorations hanging in the balance … Read More

Frozen Friday Fab Four #6 The importance of basic science - Ice Doctor

Victoria Metcalf May 30, 2014

Four of the Antarctic or anything else headlines/social media bits that have grabbed my attention this week. Remarkably it looks like the diminutive Kiwi is the closest living relative of the extinct elephant bird. Image source: Wikimedia Commons uploaded by Glen Stewart. The importance of basic science 1. As a scientist I actually love it when what we think … Read More

How much dairying is too much in terms of water quality? - Waiology

Waiology Dec 17, 2013

By Daniel Collins On 21 November the Parliamentary Commissioner for the Environment, Jan Wright, released her second report on water quality. It warned that business-as-usual dairy expansion by 2020 would leave our lakes and rivers more degraded than they are now, even with improved mitigation. I’d now like to re-cap what the report concluded, how it got there, … Read More

Pipes, ponds and beyond: Measuring and managing urban stormwater quality - Waiology

Waiology Oct 21, 2013

By Jonathan Moores and Jenni Gadd In keeping with urban areas throughout the world, New Zealand’s cities were established next to streams, rivers, lakes and harbours. As well as water supply, these waterways provided for transport, trade and recreation. Paradoxically, however, there is substantial evidence that urban development is harming these very same waterbodies. Parts of Auckland’s harbours, for … Read More

An overview of the water quality in New Zealand rivers - Waiology

Waiology Oct 18, 2013

By Rob Davies-Colley The quality of water in rivers and downstream lakes and estuaries strongly affects how we can use it and what value we place on it. And to define water quality, it is imperative to make long-term, national measurements. Much information on the water quality of New Zealand rivers at national scale has come from monitoring at … Read More

A primer on water quality - Waiology

Waiology Oct 16, 2013

By Clive Howard-Williams Society is increasingly concerned over water quality. The means by which this is maintained and enhanced while growing an economy is a major challenge for governments in many places. Here I introduce some underlying concepts around water quality that Waiology followers will need to appreciate when they look at the forthcoming series of blogs. What is … Read More

Un-muddying the Waters: Series on NZ water quality - Waiology

Waiology Oct 14, 2013

By Daniel Collins The state of our waters is a hot button topic. Water quality has become an election issue from Southland to Northland, from towns to nation, and it is often in the news. Swimming water quality and implications of the proposed Ruataniwha water storage and irrigation scheme in Hawke’s Bay are cases in point. Sediment plume from … Read More

100% Purely evasive - Politecol

- Wayne Linklater Jun 06, 2013

Peter Nuttall is sitting at anchor in a 30 knot gale off Fiji. Forty knot reinforced trade winds are forecast. Peter’s voice is nonetheless clear through the comms link. He is unfazed by the weather above and more focussed on the storm brewing back home. Peter enjoying a swim with family in cleaner waters. In March this year Peter … Read More