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Scientist using a microscope in a laboratory | Photo: wavebreakmedia / 134984011 / Photos.comDraft Screening Assessment Report on eight Priority C (Lower Hazard) Micro-organism Strains (subject to a 60-day public comment period)

The release of the Draft screening assessment report on Nitrobacter winogradskyi ATCC 25391, Nitrobacter species 18132-6, Nitrobacter species 16969-4, Nitrosomonas europaea ATCC 25973, Nitrosomonas species 16968-3, Nitrosomonas species 18133-7, Rhodopseudomonas palustris ATCC 17001, and Rhodopseudomonas species 18136-1 was announced in the Canada Gazette, Part I, on January 12, 2013.

Blue laboratory glassware | Photo: Michal Rozewski / 101761643 / Photos.comFirst Nanomaterial Added to Domestic Substances List

The Domestic Substances List (DSL) was amended to include the first nanomaterial surface modified nanocrystalline cellulose (NCC) in accordance with the New Substances Notifications Regulations (NSNR) under CEPA 1999.

Sunnyside beach in Toronto | Photo: Environment CanadaBeach Water Quality – New Guidelines

New Guidelines for Canadian Recreational Water Quality were released by Health Canada in August 2012. 

A cut of soil with different layers visible | Photo: Igor Stramyk / 124389752 / Photos.comInternational Life Sciences Institute (ILSI) and Health and Environmental Sciences Institute (HESI) Terrestrial Bioaccumulation Workshop

Scientists from Environment Canada’s S&T Branch and Health Canada's Pest Management Regulatory Agency participated in an international workshop January 8-10, 2013, designed to address key scientific needs for assessing the potential for commercial chemicals to bioaccumulate in terrestrial ecosystems. 

Dr. Donald Baird (Water Science and Technology Directorate) sampling wetland habitats in the Peace-Athabasca Delta, Wood Buffalo National Park, as part of the Genome Canada ‘Biomonitoring 2.0’ ecogenomics project. | Photo: Daryl Halliwell, Environment CanadaInvited Opinion Paper for a Special Issue of the Journal Molecular Ecology

Dr. Donald Baird was senior author of an invited “Opinion paper” for a special issue of the journal Molecular Ecology focusing on Environmental DNA.

Photo of rain falling in a forest © Lars Magnusson / 147650579 / Photos.comNew Research Shows Shifts in Precipitation Levels Caused by Human Activity

A new publication by John Fyfe and Nathan Gillett (Canadian Centre for Climate Modelling and Analysis) and Gareth Marshall (British Antarctic Survey) shows that summer rainfall patterns in the Southern Hemisphere have changed markedly in response to rising greenhouse gas concentrations and ozone layer depletion, both caused by human activity.

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This is an information source for professionals with interest in environmental science, policy and management. It offers updates on scientific and technical topics of current interest, including emerging environmental concerns, progress on ongoing concerns, and environmental solutions developing in the lab and the field.