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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Genetically engineered maize planted in Canada and the United States, and sold in both markets, had an adverse affect on rats, according to secret Monsanto research released by a German court this week.
Holes in the ozone layer over the Earth's polar regions remain dangerously large, even as international efforts to solve the problem are flagging, scientists warn.
Growing desertification worldwide threatens to create millions of environmental refugees, while rising numbers of powerful dust storms affect the health of people even continents away.
A pellet of dried grass. Not much to look at, but the tiny ball symbolises a technology that experts say can help meet our surging demand for energy while curbing poverty and global warming especially in developing countries where vast rural populations with no access to electricity and rapidly-expanding mega cities vie for material resources.
Faced with the rising toll of global warming and soaring petroleum prices, countries like Canada and the United States are giving nuclear power another look. But this might be among the most expensive ways to produce electricity, say experts and environmental advocates.
A top African scientist and advocate of strong regulation of genetically engineered seeds and crops is demanding punitive action against Canada if authorities continue to try to block delegates like him from taking part in U.N.-sponsored talks.
Africa's chief negotiator for the Cartegena Protocol on Biosafety has been denied entry into Canada to attend meetings to finalise key provisions regarding the international movement of genetically engineered organisms.
Global warming may now be the largest cause of soaring rates of species extinctions, which threaten the global ecosystems that sustain life on Earth, scientists say.
The case of a genetically engineered variety of maize that escaped detection by U.S. and European Union authorities for four years illustrates weaknesses in the safety and regulatory systems on both sides of the Atlantic, say critics.
Futuristic nanotechnologies that purify drinking water, produce energy and grow food can benefit poor countries and help to meet the United Nations Millennium Development Goals (MDGs), according to a new report.
Futuristic nanotechnologies that purify drinking water, produce energy and grow food can benefit poor countries and help to meet the United Nations Millennium Development Goals (MDGs), according to a new report.
The controversial commercial seal hunt extended Tuesday onto the ice floes south of the Labrador Peninsula in Canada, as animal rights activists protest what they consider an unnecessarily cruel practice.
Canada will continue the annual killing of thousands of seals beginning April 12 on ice floes off the Labrador Peninsula. Animal rights activists are calling for a boycott of Canadian seafood.
Species are going extinct 1,000 times faster than at any time in history, with up to 30 percent of all mammal, bird and amphibian species in danger of disappearing, according to the Millennium Ecosystem Assessment.
Around 30 percent of all mammal, bird and amphibian species could disappear from the planet, reducing the quality of the important ''services'' provided by the world's ecosystems, says the Millennium Ecosystem Assessment.
After completing the world's biggest study on the potential ecological impacts of genetically engineered crops, British scientists have concluded that the technology harms wildlife.
South America's giant Pantanal wetland could be destroyed should global temperatures rise three to four degrees C., as would 85 percent of the world's wetlands, according to a new report.
Four large corporations control much of the world's booming bottled water industry and pose a threat to public water utilities, according to a report by the Canadian non-governmental Polaris Institute.
New Canadian research shows that forest fires are becoming larger and more intense due to the effects of climate change and are adding enormous amounts of greenhouse gases into the atmosphere.
The bottled water business leads to privatization of water utilities, say water rights activists. But the industry counters that bottled water is safe and environmentally friendly.