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500 million years of climate change Ice core data for the past 400,000 years, with the present at right. Note length of glacial cycles averages ~100,000 years. Blue curve is temperature, green curve is CO 2, and red curve is windblown glacial dust (loess).
Entertainment Tonight Canada (commonly shortened to ET Canada) is a Canadian entertainment news television series that aired on the Global Television Network from 2005 to 2023. Its branding and format were based on the American entertainment newsmagazine Entertainment Tonight , and ET Canada was usually aired back-to-back with the American ...
A 2012 Canadian poll, found that 32% of Canadians said they believe climate change is happening because of human activity, while 54% said they believe it's because of human activity and partially due to natural climate variation. 9% believe climate change is occurring due to natural climate variation, and only 2% said they do not believe ...
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
In late 2007, Harper attended the Commonwealth Summit Meeting in Uganda. While Harper called Kyoto a mistake, he rejected claims that Canada would be a holdout on climate change action. A deal was reached between the 53 members of the organization but blocked a proposal to exclude developing countries to comply to emission reductions.
Many large-scale events that planned to take place in 2020 in Canada were cancelled or delayed. This includes all major sporting and artistic events. [3] Canada's tourism and air travel sectors were hit especially hard due to travel restrictions. [4] Some farmers feared a labour shortfall and bankruptcy. [5] The pandemic affected consumer ...
Atmospheric carbon dioxide (CO 2) concentrations from 1958 to 2023. The Keeling Curve is a graph of the annual variation and overall accumulation of carbon dioxide in the Earth's atmosphere based on continuous measurements taken at the Mauna Loa Observatory on the island of Hawaii from 1958 to the present day.
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