Rampaging pig virus may raise pork prices

Porcine epidemic diarrhea virus is spreading throughout farms in the U.S. Not only does it sound disgusting; it is disgusting.


Study: Trees save at least a life a year in each of 10 major U.S. cities

Urban trees suck up soot and other kinds of fine particulate pollution, and that helps keep us healthy and alive, researchers find.


China warns it will execute serious polluters

The country is cracking down on polluters whose activities harm or kill others, and it's willing to impose the harshest possible penalty.


Buzzkill: Huge bee die-off in Oregon parking lot blamed on insecticide spraying

An estimated 25,000 bumblebees were killed in a Target parking lot after landscapers sprayed blooming trees with insecticide. Happy Pollinator Week!

Climate & Energy

Coming soon: An Obama climate strategy

As soon as next week, the president is expected to unveil new initiatives to tackle climate change -- including long-awaited rules on power plants.


Seattle adopts plan for going carbon neutral — but will pot growers get in the way?

The city aims to cut net greenhouse gas emissions to zero by 2050. But energy-sucking indoor marijuana operations could throw the effort off course.

Climate & Energy

Coal foes suffer setback in fight against exports

The Army Corps of Engineers says it won't review the climate-changing impacts of plans to export coal from Northwest ports, a blow to enviros and many political leaders in the region.

Climate & Energy

Obama in Berlin: “We have to get to work” on climate change

Climate change "is the global threat of our time," Obama said in a big speech at the Brandenburg Gate. Fitting, as the weather in Berlin was an unseasonably hot 92 degrees.


Dead zone could break records in Gulf this year

Heavy farm runoff and heavy rainfall could lead to a New Jersey-sized dead zone in the Gulf of Mexico this year. The news for Chesapeake Bay is more upbeat.