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Climate Change

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14 results available  

A scientific research team on Ellesmere Island takes note of a slight warming trend in 1961. - Radio, 4:37
 photo
Sept. 21, 1961
Are summers getting warmer up North?
Radio
4:37
Prime Minister Brian Mulroney signs a general agreement to reduce greenhouse gases at 1992's Earth Summit in Rio de Janeiro. - Television, 5:36
 photo
June 13, 1992
Canada signs Convention on Climate Change
Television
5:36
In 1988, the threat of global warming is becoming increasingly real, and the effect could be disastrous for Canada's oceanside cities. - Television, 2:53
 photo
Jan. 16, 1988
Canada's coastal cities at risk
Television
2:53
In the 70s, many scientists are predicting another ice age. But one climate specialist thinks it's going to get a lot warmer first. - Radio, 4:48
 photo
April 21, 1975
Global warming, a radical idea?
Radio
4:48
A U.S. report says forecasts of global warming are so inaccurate they are useless to policy-makers. - Radio, 19:14
 photo
Feb. 20, 1990
Greenhouse effect? Not so sure
Radio
19:14
An MIT professor insists a "little ice age" could be here in as little as 135 years. He thinks the greenhouse effect is being overestimated. - Radio, 5:13
 photo
Jan. 29, 1976
Ice age vs. greenhouse effect
Radio
5:13
At the 1997 Kyoto Conference, Canada commits to specific greenhouse gas reductions — but not everyone at home is thrilled about it. - Television, 3:40
 photo
Dec. 11, 1997
Kyoto: 'A very real deal'
Television
3:40
A 1983 report warns that the greenhouse effect may already be happening — but at least we'll have warmer winters, says one reporter. - Television, 1:38
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Oct. 18, 1983
On the bright side, at least we'll have warmer winters
Television
1:38
Scientists say the Arctic will feel the greenhouse effect before anywhere else the world. And it appears it's already warming up. - Television, 4:36
 photo
Oct. 12, 1989
The Arctic: 'first and worst' for global warming
Television
4:36
Droughts and desertification continue around the globe. - Radio, 1:14
 photo
Jan. 29, 1978
The Food Show: A drying world
Radio
1:14
Is there another dust bowl in Canada's future? - Radio, 12:23
 photo
April 23, 1978
The Food Show: Forecasting a dry future
Radio
12:23
In 1984, journalist Peter Kent examines the global rise in carbon dioxide levels and asks scientists how the world's climate might react. - Television, 30:07
 photo
Jan. 24, 1984
The greenhouse effect and planet Earth
Television
30:07
Hollywood stars speak out about it, politicians argue about it and books on the subject are bestsellers: global warming is a hot topic today. But just a few decades ago, some scientists were predicting another ice age. CBC Digital Archives looks at four decades of CBC's climate change coverage, beginning with murmurs of a northern warming trend in the 1960s and ending with the Kyoto Conference of the late 90s.
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Topic spans: 1961-1997
Turning Up the Heat: Four Decades of Climate Change
Topic
5 television clips
5 radio clips
Isaac Asimov defines the greenhouse effect and describes its potential dangers. - Radio, 4:58
 photo
May 21, 1977
Why is it called the greenhouse effect?
Radio
4:58
14 results available  
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