e360 digest
27 Mar 2012:
Common Herbicide a Threat
To Great Barrier Reef, Report Says
A popular herbicide used widely in coastal regions of Australia
has been found at dangerous levels in the Great Barrier Reef, posing a toxic threat to the world’s largest coral reef system. The chemical Diuron, which is used largely by sugar cane farmers along the Queensland coast, was found at levels
In Fight to Save Coral Reefs,
Finding Strategies that Work
In four decades as a marine biologist,
Nancy Knowlton has played a key role in documenting the biodiversity of coral reefs and the threats they increasingly face. In an interview with
Yale e360, she highlights conservation projects that offer hope of saving these irreplaceable ecosystems.
READ MORE 55 times higher than safety standards in creeks that drain into the reef, and at levels 100 times the safe standards in the reef itself, according to a new report by the World Wildlife Fund. After a decade-long review, the Australian government on Tuesday announced
it would continue a suspension of the chemical except in the country's tropical regions. A decision on a permanent ban will be made by November, the Australian Pesticides and Veterinary Medicines Authority said. In a recent report, the Great Barrier Reef Marine Park Authority called a decline in the quality of water in catchment areas one of the greatest threats facing the reef. Nick Heath, the WWF freshwater and reef coordinator, said the widespread use of the chemical and the length of time it persists in the environment pose a significant threat. “Just to sort of explain how toxic this stuff is, just one gram in four Olympic-sized swimming pools is enough to damage sea grass,” he said.

Yale Environment 360 is
a publication of the
Yale School of Forestry
& Environmental Studies.
Twitter: YaleE360
e360 on Facebook
Donate to e360
View mobile site
Bookmark
Share e360
Email newsletter
Subscribe to our feed:
About e360
Contact
Submission Guidelines
Reprints

South African photojournalist Adam Welz documents the harrowing relocation of six white rhinos to a region that has lost all its rhinos to poaching.
View the gallery.
Opinion
Reports
Analysis
Interviews
e360 Digest
Podcasts
Video Reports
Biodiversity
Business & Innovation
Climate
Energy
Forests
Oceans
Policy & Politics
Pollution & Health
Science & Technology
Sustainability
Urbanization
Water
Antarctica and the Arctic
Africa
Asia
Australia
Central & South America
Europe
Middle East
North America

A
Yale Environment 360 video explores Ecuador’s threatened Yasuni Biosphere Reserve with scientists inventorying its stunning forests and wildlife.
Watch the video.
The latest
from
Yale
Environment 360 is now available for mobile devices at
e360.yale.edu/mobile.
In a
Yale Environment 360 video, photographer Pete McBride documents how increasing water demands have transformed the Colorado River, the lifeblood of the arid Southwest.
Watch the video.

Top Image: aerial view of
Iceland. © Google & TerraMetrics.
The Warriors of Qiugang, a
Yale Environment 360 video that chronicles the story of a Chinese village’s fight against a polluting chemical plant, was nominated for a 2011 Academy Award for Best Documentary (Short Subject).
Watch the video.