Around 150,000 people attended the People's Climate March on the White House on April 29, 2017 -- President Donald Trump's 100th day in office -- in support of political action to combat climate change.
Several thousand people also marched near Los Angeles and in other cities nationwide.



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The aurora could be visible across Canada and much of the northern tier of US states...
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For years, the Environmental Protection Agency has assigned a dollar value to the lives saved and...





























