Obama: 'No Greater Threat' to Planet than Climate Change
The president will spend Earth Day in the Florida Everglades.
U.S. President Barack Obama looks on during a meeting with Liberian President Ellen Johnson Sirleaf, Guinean President Alpha Condé, and Sierra Leonean President Ernest Bai Koroma in the Cabinet Room of the White House April 15, 2015 in Washington, D.C.
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Global warming certainly has one politician's attention.
In his weekly address President Obama cited climate change as Earth's single biggest threat.