Saturday, May 17, 2008

Volcano After-Effects: Ash

The Welsh communities in Argentina are worried about the health and environmental impact of the ash from the Chaiten volcano eruption.

The ash isn't inherently toxic, but can temporarily muck up rivers, streams and other waterways. Long-term it is actually good for the soil, improving it, which is why many people continue to grow crops on the slopes of volcanoes.

No comments: