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 |

HEALTH: New Diagnostic Tool Could Slash Malaria Deaths

Malaria kills a child every 30 seconds, but a new diagnostic breakthrough may cut that devastating death toll, Canadian scientists announced Sunday.

DR CONGO: Activists Slam World’s “Grotesque Indifference”

International lust for the enormous mineral and resource riches of the Democratic Republic of the Congo (DRC) abetted by international indifference has turned much of country into a colossal "rape mine" where more than 300,000 women and girls have been brutalised, say activists.

ENVIRONMENT-US: Bush Quietly Passes Dozens of New Rules

As the world community meets in Poland this week to find solutions to the climate crisis, the George W. Bush White House is chaining the United States' tiller to prevent a change of course by President-elect Barack Obama by passing new anti-environmental rules and regulations at a furious pace.

CLIMATE CHANGE: Oceans Passing Critical CO2 Threshold

An apparent rapid upswing in ocean acidity in recent years is wiping out coastal species like mussels, a new study has found.

The beautiful beaches of the Yucatán Peninsula are threatened by rising tides.  Credit: Photo Stock

CLIMATE CHANGE: Hot Days and Nights in Mexico 2090

Climate change will dramatically increase the number of hot, dry days in Mexico in the coming decades, while coastal regions like the Yucatán, in the southeast, will be swamped by sea levels that are half a metre higher than today, a new study has found.

The beautiful beaches of the Yucatán Peninsula are threatened by rising tides. - Photo Stock

Hot Days and Nights in Mexico 2090

In 2090, there will be just three or four cool days per year in Mexico, predicts a study by Oxford University, financed by the UNDP.

Migrant child from Hunan province sits atop one of countless piles of unrecyclable computer waste imported from around the world. Guiyu, China. Credit: © Basel Action Network

ENVIRONMENT: Where That “Recycled” E-Waste Really Goes

Is your old TV poisoning a child in China? Or your old computer contaminating a river in Nigeria?

Haitian hills damaged by erosion.  Credit: Courtesy of Floresta-Brad Lewis

ENVIRONMENT: Haiti Can’t Face More Defeats

The worst natural disaster that Haiti has suffered requires far-reaching solutions in order to reduce this Caribbean country's environmental fragility, say officials and humanitarian workers.

More than 90 percent of the oceans' top predators -- large sharks, tunas, swordfish, cod and others -- are now gone. Credit: Terry Goss

BIODIVERSITY: Ten-Year Probe Reveals Oceans in Peril

A thousand points of light are being shone into the dark ocean depths as scientists from 82 countries work to complete the decade-long global research effort called the Census of Marine Life.

BIODIVERSITY: The Real Price of Farmed Salmon

Salmon aquaculture is devastating the world's oceans and an international coalition of scientists, Canadian First Nations and tourism operators have called for a global moratorium.

Haitian hills damaged by erosion. - Courtesy of Floresta-Brad Lewis

Haiti Can't Face More Environmental Defeats

Haiti's environmental crisis could be the most desperate on the planet, says a high-ranking United Nations official in this Caribbean country.

BIODIVERSITY: Unraveling the Mysteries of Salmon Migration

Tiny juvenile salmon have been electronically tracked for the first time from their natal rivers in the Rocky Mountains 2,500 kilometres north to Alaska.

These children are developmentally impaired as a result of lead poisoning. Haina, Dominican Republic.  Credit: Blacksmith Institute

ENVIRONMENT: Worst Forms of Pollution Killing Millions

Gold mining and recycling car batteries are two of the world's Top 10 most dangerous pollution problems, and the least known, according a new report.

CLIMATE CHANGE: Window of Opportunity Closing Rapidly

The global financial crisis has pushed climate change off the front pages despite new evidence that it is happening faster and with stronger impacts than previous projections, a new report warns.

DEVELOPMENT: Cell Phone Service, But No Toilets

It is a fact of the 21st century that some of the poorest regions of the world have good mobile phone coverage but no toilets or safe drinking water.

Green technologies like this wind farm in Cayley, California are far more attractive than fossil fuels to long-term investors, experts say. Credit: nzdave/flickr

ENVIRONMENT: A Green Lining in Market Meltdown?

Clean and green technologies may end up a big winner in the current global financial crisis, say investment professionals.

UNEP Executive Director Achim Steiner Credit: Courtesy of UNEP

Q&A: "Future Prosperity Is in Green Technologies"

Achim Steiner, the eloquent executive director of the United Nations Environment Programme (UNEP), believes that Mexico could take a leadership role in the new "green" economy.

'US taxes on a gallon of gasoline are 45 cents compared to four dollars in most of Europe.' Credit: Steve Leahy/IPS

U.S.: Great Place for the Oil Business

Why do U.S. oil companies - some of the most profitable corporations on the planet - receive 20 to 40 billion dollars a year in subsidies from the U.S. government?

Achim Steiner, UNEP Executive Director - Courtesy of UNEP

“Future Prosperity Is in Green Technologies”

In times of economic crisis, the shift to a low-carbon economy is the smartest investment any country can make, says United Nations Environment Program chief Achim Steiner in this Tierramérica interview.

CLIMATE CHANGE: Chemical Lobby Weakening Ozone Treaty

In hard economic times, protecting the environment is often seen as a luxury - or ignored completely. But had that attitude prevailed 20 years ago when it came to taking action to protect the ozone layer, skin cancer rates would have soared and climate change would be even more dramatic than it is today.

CLIMATE CHANGE: Arctic Oil and Gas Rush Alarms Scientists

As greenhouse gas pollution destroys Arctic ecosystems, countries like Canada are spending millions not to halt the destruction but to exploit it.

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