Take executive action to limit this country's greenhouse gas emissions.

I consider the news that carbon dioxide levels have hit 400 parts per million for the first time in millions of years to be an emergency. Countries have adopted an official target to limit the damage from global warming, with 450 parts per million seen as the maximum level compatible with that goal. "Unless things slow down, we'll probably get there in well under 25 years," said Ralph Keeling, who runs a monitoring program at the Scripps Institution of Oceanography in San Diego. I hereby petition the Obama administration to take executive action. As the world's biggest polluters, we need our government to take large scale action. If we wait for Congress, with its global warming deniers bought and paid for by the industries of greatest offense, I am absolutely sure nothing will be done.