To develop a conservation attitude, it helps to spend time in nature. Yet with so much of the population living in urban areas, there are ever fewer opportunities to climb a tree or take a hike.

If your kids are home for the summer, either entirely or in amounts you didn't previously anticipate, they might be looking for something to do. Or you may be looking for something for them to do.

On March 9, a few days after teachers in Oklahoma threatened to walk out to demand more funding for public schools, I was standing next to Deborah Cornelison, a veteran science teacher, in the ...