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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A project to create a Green Development Mechanism that would use the market to preserve biodiversity is seeing many of the same criticisms that were volleyed at a similar approach to climate change.
Women provide up to 90 percent of the rural poor's food and produce up to 80 percent of food in most developing countries, and yet they are almost completely ignored when policy decisions are made about agriculture and biodiversity.
Scientists announced the creation of first self-replicating synthetic life form last Friday, and a few hours later, a United Nations science advisory body meeting here urged countries to take a strong precautionary approach to avoid release of such entities into the environment.
Countries have paid too little attention to the importance of biodiversity, and as result, species and ecosystems are in sharp decline and the public does not understand the concept.
The decades-long war in Canada's northwoods appears to be over. Environmental groups and Canadian logging companies linked arms Tuesday morning and agreed to work together to sustainably manage and protect 720,000 square kilometres of Canada's boreal forest - an area twice the size of Germany.
The policies and deals that contributed to the massive oil spill under way in the Gulf of Mexico are also jeopardising the Earth's vital biological infrastructure, according to the Global Biodiversity Outlook 3, published Monday.
The latest global study on biodiversity outlines what could be "the sixth great extinction event of life on Earth" and predicts the tipping point of the Amazon rainforest's transformation into savanna.
The "Procuenca Initiative" in the Andes region of western Colombia may be the first in the world to sell certified forest carbon credits with a biodiversity protection component. But alarms are sounding about the potential negative social and environmental consequences.
A program to plant trees in Colombia's coffee-growing basin is facing criticism from environmentalists, though it was just certified by the Clean Development Mechanism of the Kyoto climate treaty.
The war on drugs is a complete failure everywhere, according a comprehensive review of 20 years of scientific literature released at the Harm Reduction 2010 conference in Liverpool, England that wraps up Thursday.
Poor intervention in Injecting drug use (IDU) is driving the HIV/AIDS epidemic in Eastern Europe and is also largely responsible for the tuberculosis epidemic in parts of Russia, says a new study.
A mat the size of Uruguay composed of giant bacteria has been discovered in the mid-depths of the ocean off the coasts of Chile and Peru, report scientists who are working on a series of studies of the ocean's smallest life forms.
Marine biologists have discovered giant mats composed of megabacteria off the coast of South America, and suggest that they could serve vital ecological functions.
How's this for short-sighted: A billion people go hungry every day, food prices have climbed 30 to 40 percent, climate change is reducing agricultural production - and for the past two decades, the world has slashed investments in publicly-funded agriculture until it is a pittance in most countries.
Billions of dollars are being mobilised to protect and increase the world's forests under a climate protection mechanism known as REDD (Reduced Emissions from Deforestation and Degradation). But many experts are unsure that it will work, and some fear it could end in disaster.
After the failures in Copenhagen to agree on a new climate protection treaty, and more recently at the Doha meetings on trade in endangered species to prevent bluefin tuna from going extinct, indigenous forest communities may offer examples of sensible governance for shared resources on a small planet.
Even though 2009 was the fifth warmest year since 1850, and 2000-09 the warmest decade ever, according to the World Meterological Organisation, surveys show that public concern about global warming in the United States and Canada has dropped sharply in the past 18 months.
The survival of corals, which face grave threats from ocean acidification, bottom trawling and the jewelry and decor trade, is in even greater doubt after a vote taken at a conference under way in Doha, Qatar.
Delegates from 175 countries discuss listing endangered plant and animal species to protect them from unregulated trade. For corals it's a lost opportunity.
Canada's climate researchers are being muzzled, their funding slashed, research stations closed, findings ignored and advice on the critical issue of the century unsought by Prime Minister Stephen Harper's government, according to a 40-page report by a coalition of 60 non-governmental organisations.