Science

May 4, 2015 By Susan Webb

We have entered a new geological era, in which human action is changing the physical world around us.

April 30, 2015 By Marilyn Bechtel

As California struggles to meet new water use restrictions, the governor is urging a sharp increase in fines for the worst violators.

April 29, 2015 By Jackie Lavalle

It was a picture perfect Sunday for a peaceful march against the most violent instruments of war: nuclear weapons.

April 24, 2015 By Special to People’s World

The first Arbor Day in the world was celebrated in the small Spanish village of Villanueva de la Sierra in 1805.

$Study links Texas quakes to fracking$

April 24, 2015 By Seth Borenstein

Scientists have linked a swarm of small earthquakes west of Fort Worth, Texas, to nearby natural gas wells and wastewater injection.