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Chemtrails conspiracy theorists are sending death threats to climate scientists
Scientists are about to test technology that could reduce global warming. But conspiracy theorists are sending them death threats.
Final Keystone XL pipeline approved just days after massive oil spill
Officials did not consider last week’s spill in their decision on $8 billion project
Thanks to climate change, this part of Canada could be an island in 20 years
Rising sea levels to cut highways and railway lines if action isn't taken on global warming
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Mugabe’s time is up — he just hasn’t accepted it yet
Generals have confined Mugabe to his residence in Harare, hoping to persuade him to go quietly. The mediation efforts involve a Catholic priest and envoys from South Africa, according to reports.