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Climate change occurs when long-term weather patterns begin to shift. These periods of change have occurred throughout the Earth’s history over extended periods of time. However, since the Industrial Revolution the world has been warming at an unprecedented rate. Because of this, the current period of climate change is often referred to as “global warming.” Human activities that release heat-trapping greenhouse gases, such as the burning of fossil fuels, are largely responsible for this increased rate of change. The implications of this global increase in temperature are potentially disastrous and include extreme weather events, rising sea levels and loss of habitat for plants, animals and humans. In Canada, efforts to mitigate climate change include phasing-out coal-fired power plants in Ontario and instituting a carbon tax in British Columbia.
Green Driving Machines
From the outside there was little to distinguish the sleek Toyota Prius from any other car on the streets of Timmins, Ont. But when the driver turned the key, it was clear this was no ordinary sedan. The only sound as the Prius pulled away was the gentle hum of an electric motor.
Strange things were happening to Philip Watts. When he woke in the morning he noticed a spray of brown markings on his pillow, which at first looked like coffee grounds. He soon realized they were caused by blood.
In the spring of 1997, William Boyle, a microbiologist at Amgen Inc., a drug company based near Los Angeles, placed a telephone call to Dr. Josef Penninger, an immunologist at the firm's Toronto offshoot, the Amgen Research Institute.
Drug Trials Controversy
By enduring frequent blood transfusions and painful injections that allow a drug to be pumped into her body at night, 14-year-old Julie Vizza has survived a rare blood disease called thalassemia that leaves her body dangerously short of oxygen.
The grandfatherly American with thinning hair who addressed cancer scientists in a Montreal hotel earlier this month did not look like someone about to set off an international media frenzy. Dr.
Hepatitis C Package Controversy
From the moment he first stood in the House of Commons in 1993 as a rookie MP and cabinet minister, Allan Rock claimed to be repulsed by the Kabuki ritual of parliamentary Question Period.
High Cost of Healing
Despite how it may seem some days as the public tunes into the debate over health-care funding, governments in Canada have not turned off the tap. Canadians spent an estimated $76.6 billion on health care in 1997, up from $75.
Music about Transportation
Of the various means of travel by land, sea, and air, only the railways, with the rhythmic clickety-clack of the wheels and the scream of the locomotive whistle, have provided an obvious subject for imitation in music.
Canada's Astronomers Doing Stellar Research
CANADIANS ARE masters of the universe. Just look at the numbers. Sure, the U.S. leads the world in spending on space research, laying out roughly US$7 per American each year, while Britain, France and Germany budget between US$4 and US$5 for every citizen.
Space Lab Under Construction
This is ground zero, the holy of holies of the U.S. space program. The flight control room at Johnson Space Center in Houston is instantly familiar from a dozen movies and a thousand newscasts.
Military to Investigate Illnesses
Everybody agrees it was a dirty job. When Canadian Peacekeepers arrived in Croatia in 1993, many had to work near abandoned industrial sites destroyed during the war that had torn apart the old Yugoslavia. Some got covered in reddish grit while filling sandbags.
Maj. Rod Babiuk picked up his brass abacus for a buck at a garage sale, while many of his colleagues at CFB Kingston hunted down wooden versions of the beaded counting machines. No, the army has not developed a sudden interest in ancient math.
Polar Lander Fails on Mars
No one knows exactly what the surface of Mars is like, but Robert Zubrin has a pretty good idea. At least some of it, he says, is much like a frozen, god-forsaken corner of the Canadian Arctic called Haughton Crater. The terrain is similar - rough-strewn rock on the floor of a crater 16 km across.
Cloned Sheep Raises Ethical Issues
She does not look like a circus freak or a monster or an omen of evil. Her eyes and ears have a pinkish hue - just like they are supposed to.
The "3Rs Hierarchy of Waste Management" encourages people to reduce, reuse and recycle before considering other options for solid waste management. Reduction is at the top of the hierarchy because reducing waste (not creating waste in the first place) is the most efficient way to handle waste.
Nicole Mitchell seems visibly relieved to have found someone to listen as she runs through her list of menopause symptoms.
Ontario Hydro's $6 Billion Loss
It was a sight to behold: men and women who have dumped all over the province's public electrical utility from the dawn of political time, running in rhetorical circles in an effort to persuade worried voters and nervous consumers that Ontario Hydro's decision to write $6.
Wired Revolution on Campus
Nursing professor Ellie MacFarlane is a self-confessed "technological klutz," the type of person who finds programming a videocassette recorder a daunting experience. So it was with some trepidation that she learned last year that St.