Letter: RGGI- It’s not too late

To The Editor, Climate change is one of the greatest threats we face.  We‘re already seeing the effects here in Pennsylvania, like stronger storms and more flooding.  I personally have seen severe flooding in the Upper East Branch Brandywine Creek last year, when fifty refrigerator-size Styrofoam blocks floated down the creek from a go-kart track, and again last month when the blocks had to...