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 |

Hurricane Sandy a Taste of More Extreme Weather to Come

Killing nearly 200 people in the United States, Canada and the Caribbean and crippling much of New York City and surrounding areas earlier this week, Hurricane Sandy was the kind of extreme weather event scientists have long predicted will occur with global warming.

Palau Proves Sharks Worth More Alive Than Dead

Sharks have a safe haven the size of France, and the Republic of Palau that protects them is making millions of dollars from shark tourism.

Untreated Mental Illness the Invisible Fallout of War and Poverty

About 50 percent of Afghanis over 15 years of age suffer from mental health problems - depression, anxiety or post-traumatic stress disorder. In northern Uganda, nearly every family suffered during the vicious 20-year rebellion during which thousands of children were kidnapped and turned into child soldiers in the Lord's Resistance Army.

Ocean Acidification Leaves Mollusks Naked and Confused

Climate change will ruin Chilean sea snails' ability to sniff out and avoid their archenemy, a predatory crab, according to Chilean scientists who presented their findings at an international science symposium here.

Australia’s Great Barrier Reef on Brink of Collapse

Australia's iconic Great Barrier Reef is dying, and little will be left less than 10 years. More than half of the coral in the 2,300 km long reef has died over the past 27 years, according to a scientific survey released Monday.

Climate Change Takes a Bite Out of Global Food Supply

Humanity's ability to feed itself is in serious doubt as climate change takes hold on land in the form of droughts and extreme weather, as well as on the world's oceans.

Easing Air Pollution Would Cool the Planet

The planet can be cooled a whopping 0.5 degrees C with fast action to reduce air pollution from coal-fired power plants, gas fracking, diesel trucks and biomass burning, recent studies show.

Ice-Free Arctic Is “Uncharted Territory”

The melt of Arctic sea ice has reached its lowest point this year, shrinking 18 percent from last year's near-record low.

Deeper CO2 Cuts Needed to Save Corals

Limiting climate change to two degrees C won't save most coral reefs, according to new, state-of-the-art research.

Laissez-Faire Failing World’s Dwindling Water Resources

Growing water shortages in many countries are a major threat to global security and development and should be a top priority at the U.N. Security Council, a panel of experts said in a new report.

Auntie Hillary Visits Cook Islands Hoping to Put China on Sidelines

U.S. Secretary of State Hillary Clinton was greeted as celebrity-royalty by Cook Islanders during an unprecedented visit at the end of last week to attend a regional meeting of Pacific island nations here.

Cook Islanders Greet Leaders At Pacific Islands Forum

The 43rd Pacific Islands Forum was held in Rarotonga, Cook Islands, from 28 to 30 August 2012 involved leaders from the 16 member Pacific nations including Australia and New Zealand. This year's theme: “Large Ocean Island States – the Pacific Challenge” with major topics including climate change, trade and fishing. US Secretary of State Hillary Clinton along with more than 500 officials from nearly 60 countries including China, and European Union attended as observers and participated in other meetings in the Cook Islands, some 3000 km northeast of New Zealand.

PACIFIC ISLANDS: Marine Protected Areas Bolster Conservation Efforts

The world's smallest island nations wield more power than their sizes would suggest, with millions of square kilometres in their domains, said leaders of Pacific Island nations gathered at a special forum here in the Cook Islands.

Scientists Discover New Threats to Corals

Most corals thrive only in shallow waters, where there is enough light for them to grow. But the rapid rise in sea level, due to the melting of polar ice, is making these conditions increasingly scarce.

The Great Barrier Reef is the world

Great Barrier Reef at a Crossroads

The world's largest and best protected coral reef will be doomed by Australia's unprecedented scale of planned coal and gas development, experts say.

Local Control Revives Depleted Fisheries

It takes a village to protect a reef and sustain a local fishery, more than two decades of experience now shows.

Scientists Declare State of Emergency for World’s Coral Reefs

Coral reef scientists urged local and national governments to take action to save the world's coral reefs and said they'd be "on call 24/7" to assist politicians and officials.

Coral Triangle Fights to Save Reefs from Extinction

The planet's richest region of coral and marine life, which feeds 130 million people, is in trouble.

Rio’s Roadmap Falls Flat, Civil Society Groups Say

"Very disappointing." That was the term business and non-governmental organisations used to describe the formal intergovernmental negotiations at the Rio+20 Earth Summit as of Tuesday.

RIO+20: Ignoring Science, Negotiations Become Political Battle

The science is crystal clear: humans are threatening Earth's ability to support mankind, and a new world economy is urgently needed to prevent irreversible decline, said scientists and other experts at an event on the sidelines of the Rio+20 Earth Summit.

Saleemul Huq, Senior Fellow, Climate Change Group at the International Institute of Environment and Development (IIED). Credit: Stephen Leahy/IPS

Rio+20: Concrete Goals the Only Recipe for Success

Goals drive action, and that's why establishing a set of Sustainable Development Goals is so important to put the world on a sustainable pathway, experts said Saturday under the tropical fig and palm forest that covers much of the ground at the Pontifical Catholic University of Rio de Janeiro.

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