Efficient or exploitive? Poultry companies pit chicken farmers against one another in a "tournament" system.
After the deadly terrorist attacks, climate activists are still planning to go ahead with protests and civil disobedience.
The Permian Basin shale field in Texas looks like looks like tiramisu, tastes like money.
Local youth and activists sue Los Angeles, saying the city protects white areas from oil well sites but piles them on in neighborhoods of color.
By utilizing discarded breast implants, scientists could have a better understanding of how our bodies absorb toxins.
Small-scale hydro projects along rivers in the Northeast provide low-impact electricity and help revitalize communities.
Another nasty pipeline bites the dust.
After Friday's terrorist attacks, activists and organizers are deciding whether to scale back or cancel some planned events.
A father with too much Halloween candy on his hands inspires Umbra to dish up advice for enjoying the holidays -- without being a pig.