After abandonment.

When farmers leave their land, what version of nature takes over?

Taking the stand.

For scientists, going to court as an expert witness brings risks and rewards.

Off the grid.

Computer models that forecast overloaded power lines are holding back U.S. solar and wind energy projects.

Can California's floods help recharge depleted aquifers?

Plans to drown orchards and farm fields to boost groundwater supplies get off to a slow start.