In the 1970’s Lake Minnewawa in Minnesota was so choked with weeds that residents could no longer enjoy the lake as they once had. The water clarity and the phosphorous levels were awful. People would pull their docks out of the water in July because boating was impossible. Save Minnewawa Association was formed in 1977
Heavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe. The new method uses water hyacinth, a weed
Work to restore Lake Horowhenua’s environmental health, which has been progressing well since the establishment of the Lake Horowhenua Accord in 2013, will increase in momentum later this year following a High Court decision. The Court’s decision was to dismiss an appeal made by the Hokio Trust, allowing Horizons Regional Council’s weed harvester to undergo
Penn State | News April 18, 2013 When you look at lovely water gardens in backyards and at businesses — and feel soothed by the serenity they convey — you would not guess that they represent troubled waters for ecosystems in the mid-Atlantic region. The explosion in popularity of water gardening has resulted in
Unlike using chemicals, or doing nothing at all, the advantages of harvesting include: – Immediate relief from nuisance plants that interfere with navigation and recreation – Immediate use of the water for swimming or irrigation – There is nothing foreign introduced to the environment when using mechanical control – Biomass is removed from the water