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. | Web | Twitter |

The Lennox factory in Ontario, Canada. - Photo Stock

Kyoto Gets a Slap in the Face from Canada

The withdrawal from the Kyoto Protocol of one of the world's leaders in fighting climate change could weaken a new agreement far beyond the 2012 scope of the treaty.

ENVIRONMENT: The Ides of March of the Penguins

Ice-loving penguins have never been more popular, but few people realise they are threatened with extinction from climate change and industrial fishing.

BIODIVERSITY: The Insatiable in Pursuit of the Inedible

In an ironic twist, officially listing a species as endangered drives up its value to collectors and consumers, putting it on an even faster track to extinction, researchers in Paris reported Tuesday.

ENVIRONMENT-AFRICA: The Past a Warning for the Future

A prolonged drought in East Africa in the 1890s not only killed tens of thousands of the native Maasai people, it also reshaped the ecological and political landscape - this according to new research published in the current issue of the 'African Journal of Ecology'.

ENVIRONMENT: Trawling Moratorium Dead in the Water

Iceland and a few other fishing nations have successfully undermined a three-year international effort to place a moratorium on destructive deep-sea trawling.

CLIMATE CHANGE: Will Forests Adapt to a Warmer World?

Deforestation remains the greatest current threat to the world's forests, claiming 10 to 15 million hectares of tree-covered areas every year, but climate change may represent a bigger challenge in the long term, scientists say.

Will Forests Adapt to a Warmer World?

Some scientists believe that a warmer planet means forests will grow more quickly. But others say forested areas will dry up or become disease ridden.

ENVIRONMENT: Polar Bears Go Hungry as Icy Habitat Melts Away

The iconic animal of the frozen north, the polar bear, is starving to death because climate change is melting the Arctic Ocean sea ice.

HEALTH: Ailments Surge as Ozone Hole Widens

Skin cancer, eye lesions and other infections are on the rise, a reminder that the Antarctic ozone hole continues to be a serious problem, especially for southern Argentina and Chile, where ultraviolet radiation during the spring months increases 25 percent.

ENVIRONMENT: From Mosques to Mollusks, No Haven From Rising CO2

Three hundred and eighty parts per million. That's the current concentration of carbon dioxide going into your lungs with each breath. Our parents or grandparents' first breaths at birth contained about 290 parts per million (ppm), as it was for everyone born before them.

ENVIRONMENT: Billions Needed to Climate-Proof Africa

Climate change will devastate Africa without substantial help from the world community, according to a new report released at the opening of a major U.N. climate change conference in Nairobi, Kenya Monday.

Enjoying the beach in Valparaíso, Chile. - Photo Stock

Ailments Surge as Ozone Hole Widens

The increase in skin cancer from sun exposure is alarming, scientists say. Residents of southern Chile and Argentina are advised to take extra care in protecting themselves from solar rays this spring season in the southern hemisphere.

MEDIA: Honouring the Best Who Cover the Worst

"I am not afraid of being killed," says Egyptian journalist Abeer Al-Askary, who has been repeatedly threatened and beaten by Egyptian government security forces.

MEDIA: Honouring the Best Who Cover the Worst

"I am not afraid of being killed," says Egyptian journalist Abeer Al-Askary, who has been repeatedly threatened and beaten by Egyptian government security forces.

ENVIRONMENT: Ocean Life on the Brink of No Return

Every single commercial fishery in the world will be wiped before 2050 and the oceans may never recover if over-fishing continues at its current rate, a four-year scientific investigation has found.

RIGHTS: Redefining Justice for Child Soldiers

Should child soldiers be held accountable for war crimes? If they aren't, legal experts argue in a new policy brief, they may be more likely to be chosen by warlords to perform the worst atrocities.

ENVIRONMENT: Can the Free Market Slow Deforestation?

Tropical forests' ability to store carbon dioxide and mitigate climate change makes them more valuable than alternative uses like pasture or lumber, and rich countries ought to pay tropical countries to preserve their forests, the World Bank says.

DEVELOPMENT: Answer to Energy Crisis? Waste Not, Want Not

Soaring worldwide demand for energy is driving climate-altering greenhouse gas emissions dangerously higher, and even as investments grow in new "clean" energy sources, existing technologies to reduce energy use are being neglected.

A wind turbine in Mexico - CFE

Answer to Energy Crisis? Waste Not, Want Not

To fight climate change, it is not enough to produce alternative sources -- we must promote the idea of consuming less, warn experts.

CANADA: Critics Say New Environment Policy Ignores Science

Canada has officially turned its back on the Kyoto Protocol and climate change in its new "green plan" introduced Thursday, environmentalists say.

HEALTH: Report Exposes a Free-Market Famine

In a world of paradox and plenty, 852 million people are starving while one billion people are overweight, with 300 million of them considered medically obese.

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