Tagged With stinky subways

As anyone who has ridden in an old train through a long tunnel knows, the air down there is unpleasant. New research done in Canada shows that air pollution levels in Toronto's subway system are ten times greater than those above ground. It's a troubling realisation for subway-goers, but there are ways to keep these underground systems clean.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.

As anyone who has ridden in an old train through a long tunnel knows, the air down there is unpleasant. New research done in Canada shows that air pollution levels in Toronto's subway system are ten times greater than those above ground. It's a troubling realisation for subway-goers, but there are ways to keep these underground systems clean.