Ozone hole smaller in 2009 than 2008: WMO
The World Meteorological Organisation said Wednesday that the ozone hole is expected to be smaller in 2009 than a year ago.
The World Meteorological Organisation said Wednesday that the ozone hole is expected to be smaller in 2009 than a year ago.
Earth Sciences
Sep 16, 2009
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The world's oceans are a vast repository for gases including ozone-depleting chlorofluorocarbons, or CFCs. They absorb these gases from the atmosphere and draw them down to the deep, where they can remain sequestered for ...
Earth Sciences
Mar 15, 2021
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Chemicals that deplete Earth's protective ozone layer have also been triggering changes in Southern Hemisphere atmospheric circulation. Now, new research in Nature finds that those changes have paused and might even be reversing ...
Earth Sciences
Mar 25, 2020
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This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the ...
Environment
Sep 12, 2017
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People worldwide could be ingesting five grammes of microscopic plastic particles every week, equivalent in weight to a credit card, researchers said Wednesday.
Environment
Jun 12, 2019
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A scientific paper published in 1985 was the first to report a burgeoning hole in Earth's stratospheric ozone over Antarctica. Scientists determined the cause to be ozone-depleting substances—long-lived artificial halogen ...
Earth Sciences
Jan 20, 2020
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The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.
Environment
Dec 6, 2019
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Even if there comes a day when the world completely stops emitting greenhouse gases into the atmosphere, coastal regions and island nations will continue to experience rising sea levels for centuries afterward, according ...
Environment
Jan 9, 2017
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(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...
Earth Sciences
Feb 10, 2013
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In a world where climate change, air and water pollution, biodiversity loss, water scarcity, ozone depletion, and other environmental problems overlap, a fix in one arena can cause trouble in another.
Environment
Jan 14, 2019
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Montreal (i/ˌmʌntriˈɒl/; French: Montréal pronounced [mɔ̃ʁeˈal] ( listen)) is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America. Originally called Ville-Marie, or "City of Mary", the city takes its present name from Mont-Royal, the triple-peaked hill located in the heart of the city, whose name was also initially given to the island on which the city is located, or Mont Réal as it was spelled in Middle French, (Mont Royal in present French).
As of February 2011, Statistics Canada identifies Montreal's Census Metropolitan Area (CMA) (land area 4,259 square kilometres (1,644 sq mi)) as Canada's second most populous with an estimated metropolitan area population of nearly 3.9 million and a population of over 1.9 million in the "agglomeration" of Montreal, which includes all of the municipalities on the island of Montreal. The city of Montreal proper had a population of 1,620,693 as of the 2006 census.
French is the city's official language and is also the language spoken at home by 55.1% of the population, followed by English at 25% and 19% other languages (as of 2006 census). In the larger Montreal Census Metropolitan Area, 67.9% of the population speaks French at home, compared to 16.5% who speak English. 56% of the population is able to speak both English and French. Montreal is the second largest primarily French-speaking city in the world, after Paris.
Montreal is consistently rated as one of the world's most livable cities, was called "Canada's Cultural Capital" by Monocle Magazine and recently was named a UNESCO City of Design. Though historically the commercial capital of Canada, it was surpassed in population, as well as economic strength, by Toronto after 1976. Today it continues as an important centre of commerce, aerospace, finance, pharmaceuticals, technology, design, culture, tourism, film and world affairs.
In 2010, Montreal was named a hub city, ranked 34th globally out of 289 cities for innovation across multiple sectors of the urban economy, in the Innovation Cities Index by 2thinknow. Montreal was the next Canadian city in the annual index behind nexus city Toronto in 12th place and ahead of fellow hub cities Calgary, Quebec City, Vancouver and Edmonton. In 2009, Montreal was named North America's number one host city for international association events, according to the 2009 preliminary rankings of the International Congress and Convention Association (ICCA).
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