Xiuhtezcatl Martinez would have to pay a steep price to rescue Earth's environment.
Just ahead of the Rio de Janeiro Olympics, the city contends with toxic waters and police defiance.
Mike Yard becomes paranoid about the underlying message of "The Angry Birds Movie."
Brazil gears up for the Olympics amid political scandal, rampant pollution and a Zika epidemic.
For 50 years, American corporations fought to keep lead paint legal at the expense of public health.
Critics complain that Facebook staffers suppress stories written from a conservative perspective.
President Obama sips filtered water from Flint, MI, to persuade residents that it's safe to drink.
Dr. Mona Hanna-Attisha describes the backlash she received after exposing Michigan's water crisis.
Governor Rick Snyder quickly fails his 30-day challenge to drink the tap water in Flint, MI.
A probe into the water crisis in Flint, MI, leads to criminal charges against state officials.
Sarah Palin takes a nasty swipe at Bill Nye during a rant against the science behind climate change.
Bernie Sanders lays out his proposal for curbing rampant white-collar crime in the banking industry.
Traffic proves to be a surprise contender as it rises through the bracket.
An email suggests that the EPA was complicit in Michigan's ongoing lead-tainted water crisis.
Internal emails suggest that Flint, MI, officials prioritized public relations over public health.
Jon Connor and Keke Palmer shine a light on Michigan's water crisis with "Fresh Water for Flint."
Michigan Gov. Rick Snyder responds to the Flint water crisis by launching a self-serving PR blitz.
Larry considers a silent appearance on "Fox & Friends."
Timbaland pulls out of a benefit concert for Flint, MI, residents due to a botched champagne order.
The water crisis in Flint, MI, emerges as a case study in government incompetence and neglect.