Pollution in Mexico City: We’ve Come a Long Way

We first visited Mexico City almost 20 years ago.  In those days, they say, birds would literally drop out of the sky dead because of the pollution.

But a lot of measures have been taken over the years to improve things.  Of course, it’s hard to say what has caused the improvement, but it seems that things have improved quite a bit.

Here’s a recent video from The Guardian about Mexico City and the quest for cleaner air…