Stories written by Stephen Leahy
Stephen Leahy is the lead international science and environment correspondent at IPS, where he writes about climate change, energy, water, biodiversity, development and native peoples. Based in Uxbridge, Canada, near Toronto, Steve has covered environmental issues for nearly two decades for publications around the world. He is a professional member of the International Federation of Journalists, the Society of Environmental Journalists and the International League of Conservation Writers. He also pioneered Community Supported Environmental Journalism to ensure important environmental issues continue to be covered.
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Russia tops the list of the 10 most polluted places on the planet, while more investigation into Latin American and African pollution sites is needed, according to a U.S. environmental group.
Canada is trying to scuttle a proposed United Nations moratorium on destructive bottom trawling of the open ocean that has received surprisingly strong support from the United States, as well as other countries.
Rising tides of untreated sewage and plastic debris are seriously threatening marine life and habitat around the globe, the United Nations Environment Programme (UNEP) warned in a report Wednesday.
Civil society activists want the Canadian government to impose mandatory human rights and environmental standards on Canadian mining and oil companies operating in Latin America and other developing regions.
Boreal forests provide 250 billion dollars a year in ecosystem services like reducing atmospheric carbon and water filtration, but which have gone unacknowledged by governments and industry, experts say.
A green chemical revolution is underway that promises to be environmentally sustainable and profitable while reducing the risks of industrial disasters like the Bhopal, India gas leak in 1984.
New technologies are being employed to curb the use of toxic materials in productive processes and prevent tragic accidents that can potentially claim the lives of thousands of people.
Activists have demanded that the Stephen Harper administration impose mandatory social and environmental standards on Canadian mining companies operating in Latin America.
Hi-tech medicine, including stem cell therapy and biotechnology, are seen by many experts as potential solutions for non-infectious diseases like diabetes in the developing world.
Another giant ozone hole has opened up over the Antarctic, while evidence mounts that 20 years of international efforts have finally helped the atmosphere to start to heal itself.
The ozone layer is recovering almost everywhere, but over Antarctica the process will take until 2065. "We cannot take the ozone layer for granted," says the director of UNEP, the global environmental authority.
While the George W. Bush administration has so far failed in its bid to open up the Arctic National Wildlife Refuge to oil and gas drilling, eight million acres of pristine Alaskan wilderness goes on sale to oil and gas companies Sep. 27.
With 20,000 hectares of bright green in a sea of sand in the state of Sonora, the Ciénaga de Santa Clara is one of Mexico's richest coastal ecosystems. Faced with the imminent reopening of a desalinisation plant just across the border in the United States, a binational team is working to protect the vast wetland.
A powerful desalinization plant will reopen in 2007 near the Mexico-U.S. border. Scientists in both countries will be working to halt harm to the Ciénaga de Santa Clara, a large marsh in the northern Mexican state of Sonora.
One year after Hurricane Katrina devastated the U.S. Gulf Coast, a new survey reveals a majority of U.S. citizens now believe global warming is responsible for extreme weather events in recent years.
Action - not promises or pledges or more meetings - is what will bring the HIV/AIDS pandemic under control and save tens of millions of lives, concluded delegates at the wrap-up of the 16th annual International AIDS Conference in Toronto Friday.
With persistently high HIV/AIDS rates second only to sub-Saharan Africa, the Caribbean is stepping up outreach efforts with a new media collaboration that will use everything from documentaries to soap operas to haul the disease out of the shadows and into public consciousness.