OTTAWA, Canada (Reuters) -- Global warming poses a greater long-term threat to humanity than terrorism because it could force hundreds of millions from their homes and trigger an economic catastrophe, Canadian Environment Minister David Anderson said.
"Current preoccupation is with terrorism, but in the long term climate change will outweigh terrorism as an issue for the international community," he said.
"Terrorism will come and go, it has in the past...and it's very important. But climate change is going to make some very fundamental changes to human existence on the planet."
Anderson said Canada would need to cut its emissions of greenhouse gases by 60 percent of 1990 levels by 2050. Canada has ratified the Kyoto protocol on climate change, which calls for a 6 percent cut from 1990 levels by 2012.
"The British have decided... that a 60 percent reduction (in greenhouse gas emissions) by 2050 is necessary and we will probably have to be in a similar range," he said.
In 2001, those emissions were 18.5 percent above 1990 levels and energy producers say the costs of fulfilling Kyoto will be prohibitive.
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