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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Global leaders will gather next week in Durban, South Africa to determine how to cap global warming at two degrees Celsius. This limit would entail de facto agreement to a global carbon budget of no more than 660 billion tonnes of carbon dioxide emissions between now and 2050, climate science says.
Canada's Stephen Harper government is spending more than 60 billion dollars on new military jets and warships while slashing more than 200 million dollars in funding for research and monitoring of the environment.
Mountains of hazardous waste grow by about 40 million tons every year. This waste, mostly from Europe and North America, is burned in developing countries like Ghana in a hazardous effort to recover valuable metals.
Berlin is a big capital city of a country famed for making excellent automobiles, but it can no longer afford roads and is now moving people by transit, bike and especially through walking.
Every six seconds, a child dies of hunger-related causes. That disturbing reality seems as remote as the moon here in the ultra-modern Changwon Convention Centre, where delegates struggled to create effective ways to stem the ongoing decline of food-producing lands.
The window to limit global warming to less than two degrees C is closing so fast it can be measured in months, a new scientific analysis revealed Sunday.
For millennia, people have coped with drought in the Horn of Africa, comprised mainly of drylands. Yet today, more than 13 million people there are starving because of political instability, poor government policies and failure to invest in the world's poorest people, say experts here in Changwon.
Nearly all our food comes from the Earth's limited food- producing lands, but those lands continue to be degraded, guaranteeing far higher food prices and less food in the future, experts warn.
Degradation of land is the world's quiet crisis, undercutting food production, increasing water scarcity, impoverishing hundreds of millions of people and affecting two billion overall. Nearly 20 million square kilometres of the earth's arable lands – an area twice the size of Canada – have already been degraded.
La Niña is back less than three months after the end of its last appearance, a particularly strong event that contributed to driving up global food prices.
More than 200 Canadians engaged in civil disobedience, with 117 arrested in Canada's quiet capital city on Monday. The reason? To protest the Stephen Harper right-wing government's open support for the oil industry and expanding production in the climate-disrupting tar sands.
Government policies are seldom lauded, yet Rwanda's forest policy has resulted in a 37-percent increase in forest cover on a continent better known for deforestation and desertification.
The dramatic increase in extreme weather that has affected hundreds of millions across the planet is one of the clearest signs that burning billions of tonnes fossil fuels has seriously and permanently disrupted the global climate, experts say.
All the analysis and commentary about safety and security on the tenth anniversary of 9/11 ignored by far the biggest ongoing threat to global security: climate change.
The United States' biggest environmental groups put aside their differences last week to make an urgent intervention on the country's addiction to oil. The first step on the long road to recovery, they say, is to stop the proposed construction of the Keystone XL pipeline that will "mainline" the world's dirtiest oil from northern Canada into the U.S. heartland.
The life support system that generates the planet’s air, water, and food is powered by 8.7 million living species according to the newest and best estimate. We know next to nothing about 99 percent of those unique species - except that lots of them are going extinct.
The promoters of Keystone XL, a huge new oil pipeline from northern Canada to the U.S. Gulf Coast, claim that it will reduce U.S. reliance on oil imports from unfriendly countries.