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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Biofuels have quickly turned from environmental saviour to just another mega-scale get-rich quick scheme. Countries and regions without their own oil reserves to tap now see their farms, peatlands and forests as potential "oil fields" - shallow but renewable lakes of green oil.
Jaguars have no place in the United States, although a handful still roam the southwest. Environmentalists suspect the real reason U.S. officials are allowing the jaguar to become extinct is the "security" wall being built along the Mexican border.
In announcing that they are giving up efforts to help the jaguar population recover, U.S. authorities have handed a death sentence to the big cat that was once plentiful along the border with Mexico.
U.S. biofuels production is driving up food prices around the world, giving billions of poor people a very good reason to hate U.S. policy, say environmentalists.
With a tax on carbon emissions appearing to be inevitable, some of the world's largest corporations will be asking their suppliers to report on their carbon emissions as part of future reduction efforts.
Imagine it's a glorious new era and everything you'll do as part of your normal day helps to stabilise the climate and the global population, eradicate poverty, and restore the earth's damaged ecosystems.
So-called “climate tourism” is a mix of legitimate interest in protecting nature, the desire to see rare wildlife on the verge of extinction, and, of course, the search for profit.
China's booming medical biotechnology industry is producing controversial drugs and gene therapy treatment programmes for domestic use, as well as to treat critically ill foreigners seeking potential cures unavailable elsewhere.
Dan Bloom thinks it's time to figure out how to build self-sustaining cities in the polar regions because climate change will eventually make most of Earth uninhabitable.
Vast populations of pink salmon on Canada's west coast will be extinct in four years due to infestations of parasites from open ocean salmon farms, scientists reported Friday in the prestigious journal Science.
The family has just finished up an expensive seven-course restaurant meal, and the late-arriving cousins can only snack on bread sticks. When the bill arrives, the truculent, rich uncles - Canada, Japan and the United States - insist that the cousins, although poor and still very hungry, ought to pay a full share.
A two-degree Celsius rise in global temperatures could flip the Amazon forest from being the Earth's vital air conditioner to a flamethrower that cooks the planet, warns a new report released at the climate talks in Bali, Indonesia Friday.
Expanding European forests absorbed 126 million tonnes of carbon dioxide from 1990 to 2005 - equivalent to 11 percent of European Union emissions from human activities - while a U.N. target to plant one billion trees mainly in Africa has been surpassed.
If continents are the Earth's sturdy bones and the atmosphere its thin skin, then the oceans are its heart, circulatory system and blood. And despite the crucial role played by the oceans in the health of the planet, and to our own health and well-being, there is little monitoring of ocean health.
Chronic, non-infectious diseases like heart disease, stroke, cancer and diabetes kill more than twice as many people than HIV/AIDS, malaria or tuberculosis, experts warn.
Total greenhouse gas emissions of 40 industrialised countries rose to a near all-time high in 2005, but the Kyoto Protocol will still exceed its reduction targets, a United Nations agency said two weeks before political leaders meet in Bali, Indonesia to begin negotiations on a new and more aggressive treaty to battle climate change.