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 |

Peak Water, Peak Oil…Now, Peak Soil?

Soil is becoming endangered.This reality needs to be part of our collective awareness in order to feed nine billion people by 2050, say experts meeting here in Reykjavík.

Stressed Ecosystems Leaving Humanity High and Dry

Everyone knows water is life. Far too few understand the role of trees, plants and other living things in ensuring we have clean, fresh water.

Profits vs. Disaster in Arctic Meltdown

Many eyes are turning north to the Arctic, some in horror at the rapid decline of a key component of our life support system, others in eager anticipation at the untapped resources beneath the vanishing snow and ice.

Toxic Waste on Par with Malaria as a Global Killer

Toxic waste sites in 31 countries are damaging the brains of nearly 800,000 children and impairing the health of millions of people in the developing world, two new studies have found.

Rich Countries Drag Feet at Climate Talks

Another week of international climate negotiations ended in Bonn, Germany last Friday, but there was little mid-level bureaucrats could do when world leaders remain in thrall to the fossil fuel industry, say environmentalists.

Monetising Human Waste and 101 (Slightly) Crazy Other Ideas

One, two or more of the 102 newly launched out-of-the box ideas to improve global health could be world-changing breakthroughs.

Leave It in the Ground, Climate Activists Demand

Nearly 70 percent of known reserves of oil, gas and coal must remain in the ground to avoid dangerous climate change. So why did the energy industry spend 674 billion dollars in 2012 looking for more?

Krill Super-Trawlers Pushing Penguins Toward Extinction

Everyone loves penguins, but few will know that Thursday is World Penguin Day. Fewer still are those who know penguins are threatened with extinction by climate change and giant fishing trawlers from Europe and Asia stalking the oceans around Antarctica.

Eternal Energy Revolution Picking Up Steam

“Be a climate-protection hero, not a climate victim” is the message energy experts from around the world are bringing to San Francisco Tuesday.

Canada Pulls Out of U.N. Body to Fight Desertification

Canada is pulling out of the United Nations convention that fights droughts in Africa next year, making it the only country in the world not participating in the United Nations Convention to Combat Desertification (UNCCD).

Water Crisis Hitting Food, Energy – And Everything Else

How much water does it take to turn on a light? It took 10,000 litres to make your jeans. Another three big bathtubs of water was needed for your two-eggs-toast-coffee breakfast this morning.

Visions of a Sustainable, Pollution-Free New York by 2030

As usual, midtown Manhattan is packed with whisper-quiet cars and trams while thousands walk the streets listening to the birds of spring sing amongst the gleaming, grime-free skyscrapers in the crystal-clear morning air.

Public Pays for Fukushima While Nuclear Industry Profits

Two years after Japan's Fukushima Daiichi nuclear disaster, the country faces 100 to 250 billion dollars in cleanup and compensation costs, tens of thousands of displaced people and widespread impacts of radiation.

Canada Losing Its Seasons

"Canada is not a country, it's winter," Canadians say with pride. But the nation's long, fearsome winters will live only in memory and song for Canadian children born this decade.

Microbes Thriving Deep Within the Earth

Every living thing from bacteria to President Barack Obama is made of carbon from exploding stars.

Killer Heat Waves and Floods Linked to Climate Change

Killer heat waves, floods and storms are increasingly caused by climate change, new research reveals.

Green Energy Solves Dual Crises of Poverty and Climate

Green energy is the only way to bring billions of people out of energy poverty and prevent a climate disaster, a new study reveals.

In Conservatives’ Canada, It’s Not Easy Being Green

Canada's police and security agencies think citizens concerned about the environment are threats to national security, and some are under surveillance, documents reveal.

Climate Rally Draws “Line in the Sand” on Canadian Pipeline

The largest climate rally in U.S. history is expected Sunday in Washington DC with the aim of pressuring President Barack Obama to reject the Keystone XL tar sands pipeline.

Thawing Permafrost May Be “Huge Factor” in Global Warming

Thawing permafrost is emitting more climate-heating carbon faster than previously realised. Scientists have now learned that when the ancient carbon locked in the ice thaws and is exposed to sunlight, it turns into carbon dioxide 40 percent faster.

OP-ED: Weird, and Getting Weirder

Weird is the only way to describe January temperatures whipsawing between record warm and arctic cold over a span of a few days. Experts say that is what climate change looks like: weird, record-shattering weather.

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