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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With biofuels being blamed for rising food prices and offering limited environmental benefits, diverse luminaries like former U.S. vice-president Al Gore and Microsoft’s Bill Gates are throwing their considerable support behind cellulosic ethanol, a second generation biofuel.
U.S.-funded aerial spraying of coca plantations in Colombia near the Ecuador border has severely damaged the DNA of local residents, a new study has found.
Scientific studies have collected evidence of the negative effects of the glyphosate-based herbicide Roundup on human and animal health. The chemical is used in aerial spraying to eliminate illicit coca crops in Colombia.
The Earth is going dark. From the Arctic Ocean to the Himalayan mountains to the Russian tundra, ice and snow are in rapid and permanent retreat in response to global warming, a new U.N. report said Tuesday.
The vast majority of North Americans now declare that they want action on climate change. But whether people are truly willing to embrace "carbon-neutral" lifestyles - including giving up their gas-guzzling sports utility vehicles - remains an open question, say experts.
Build a shrimp farm in Thailand by cutting down mangrove forests and you will net about 8,000 dollars per hectare. Meanwhile, the destruction of the forest and pollution from the farm will result in a loss of ecosystems worth 35,000 dollars/ha per year.
If current trends continue, 30 percent of known species will disappear before the end of the century, says Ahmed Djoghlaf, executive secretary of the Convention on Biological Diversity, in an exclusive interview with Tierramérica.
Senior retired military officers in the United States are urging immediate action on climate change to avoid a massive upsurge in regional and global instability that could threaten their country's security.
Senior retired military officers in the United States are urging immediate action on climate change to avoid a massive upsurge in regional and global instability that could threaten their country's security.
Capitalism has proven to be environmentally and socially unsustainable, so future prosperity will have to come from a new economic model, say some experts. What this new model would look like is the subject of intense debate.
Scientists launched a global initiative Thursday called the "Encyclopedia of Life" that will document the Earth's 1.8 million known species and track the impacts of habitat loss and climate change.
As the world population swells to nine billion by 2050, global biodiversity will be under extreme pressure unless new ways to grow food are developed, experts say.
Today's children will live in a new world of climate change and greatly diminished natural resources, which may give way to a nightmarish reality, or it could give birth to a happier and lighter way of living on the Earth, say environmentalists.
Today's children will live in a new world of climate change and greatly diminished natural resources, which may give way to a nightmarish reality, or it could give birth to a happier and lighter way of living on the Earth, say environmentalists.
An investigation has revealed that the U.S. supplier of sushi to more than 6,000 restaurants is associated with a Japanese company that sells millions of tins of whale meat.