When confronted with poisoned water and air, sick children, and ruined crops, the Chinese people sometimes simply take to the streets.

CNN: Economic miracle, environmental disaster

Angel Flight is a nonprofit group that arranges free air transportation for sick patients from volunteer pilots.

WSJ: Search for pilot of NY Angel Flight resumes

Campbell was volunteer pilot for Angel Flight, a nonprofit group that arranges free air transportation for the sick.

NPR: NY Plane Crash Passengers ID'd As Patient, Wife

Campbell was a volunteer pilot for Angel Flight, a nonprofit group that arranges free air transportation for the sick.

NPR: Search Ongoing For Passenger In NY Plane Crash

The virus, which causes diarrhoea, nausea and vomiting, spreads in the air where someone has been sick.

BBC: Vomiting bug shuts ward at Raigmore Hospital

The first piece of satire profiled an Air Force officer who was so sick of being teased about serving in the "Chair Force" that he banned all chairs from his military base.

WSJ: Prank and File: These Military Reports Are Out of Line

One well-known study in 1979 found that when a plane sat three hours with its engines off and no air circulating, 72% of the 54 people on board got sick within two days.

WSJ: Where Germs Lurk on Planes

Other passengers reported no air-conditioning inside cabins and an increasing stink inside the ship from sick passengers and a lack of food refrigeration.

BBC: Carnival Triumph: Conditions 'worsen' on stranded ship

We know we're not going to be better off if suddenly we roll back the protections for our air and our water, and protections to make sure that if you get sick there's going to be health care there for you.

WHITEHOUSE: Remarks by the President at Campaign Event

I've also heard stories of malfunctioning air conditioning systems, trailers leaking during rains and noxious fumes from wallpaper making people sick... and the shocking fact is that nearly a year after the storm, more than a quarter of a million people are not back in their homes.

NPR: The Slow Pace of Recovery