:20:19
This week, we're talking with
comet hunter Tsuruhiko Kiuchi.
:20:27
Four years ago,
I attended a global summit...
:20:33
...where European botanists
discussed light pollution.
:20:38
Apparently, city lights are
causing plants stress.
:20:42
Pollution and exhaust gases may
also be contributing factors.
:20:51
Thus, today's plants may have
shortened lifecycles.
:20:59
Are you saying plants are dying
from stress?
:21:05
I'm saying sooner or later,
they will die.
:21:09
The average plant now lives
less than 20 years.
:21:14
So there is great concern.
:21:20
Yes, they are.
:21:23
That's awful! They're all dying?
:21:27
It's a real possibility.
:21:29
Unbelievable. But lights are a problem.
:21:35
Did you ask for specifics?
:21:37
I'm just editing that.
:21:41
Hey, don't do that.
It's bad for the speakers.
:21:44
Let me do it.
:21:47
OK...
:21:49
There. Start there.
:21:52
OK, OK.
:21:54
Fugitive emissions from cars and
factories have produced acid rain.