JUDY WOODRUFF:

The NewsHour has covered conflict in Afghanistan for many years, but there is another crisis creating nearly as many problems, climate change.

It has led to epic droughts and has forced already desperate Afghan people toward desperate measures.

One surprising factor in helping stave off the after-effects of drought, education for girls.

Special correspondent Beth Murphy of the nonprofit GroundTruth Reporting Project has covered those efforts to improve girls education for years, and tonight looks at the difference between — that teaching girls is making.