Environment

An investigation into the vexatious algae contamination of Wanaka drinking water has concluded a treatment system to eliminate the problem would be prohibitively expensive.

Finding the source of the "significant volume of rubbish" being pulled out of the Kaikorai Estuary has been frustrating for Saddle Hill Community Board member Scott Weatherall.

Brighton residents are up in arms over damage being caused to sand dunes allegedly by a commercial seaweed harvester.

As the human impact on estuaries increases, so does the production of a harmful greenhouse gas, University of Otago graduate Dr Catherine Gongol says.

The latest National Institute of Water and Atmospheric Research report on the state of our lakes bears disappointing tidings.

Calls to ban coal and lignite mining are irresponsible, and dodge the real issues concerning climate change, writes Chris Baker.

One of this country's eminent environmental policy analysts, Raewyn Peart, described in the book Castles in the Sand (published last year in association with the Environmental Defence Society) the state of the coastline and what has been happening to it as a consequence of 160 years of organised settlement.

A lethal torrent of toxic red sludge from a metal refinery engulfed towns in Hungary, burning villagers through their clothes and threatening an ecological disaster as it swept toward the Danube River.