EPA

As the biodiesel industry convenes for a national conference in San Diego today, one of the topics of discussions will be the loosening of the renewable fuel standard.

Among the participants will be Seattle-based General Biodiesel, a company that turns used cooking oil into vehicle-grade fuel. The company 's CEO is upset over backpedaling by the federal government on incentives for more use of alternatives.

An attempt to get rid of tiny pests has proven costly for the Port of Tacoma.

The Port and two contractors have agreed to pay a half-million dollar fine and spend more than $4 million to restore and enhance wetlands under a settlement with the U.S. Environmental Protection Agency.

The wetlands at Hylebos Marsh were damaged during attempts by the Port to eradicate an invasive snail. The dime-sized vineyard snail comes from the Mediterranean and can destroy grain crops.

Ted S. Warren / Associated Press

The U.S. Department of Energy has agreed to pay $136,000 in fines allegedly mishandling certain lab waste at the Hanford Nuclear Reservation. The penalty comes from the Environmental Protection Agency.

Energy contractors allegedly stored some radioactive waste without permits, and placed some of it in a landfill before treating it. We’re talking about contaminated science glove boxes, lab equipment and concrete. Environmental regulators studied records from the late 1980s through 2011 in this investigation.

US EPA image

When you think about Puget Sound, a bathtub might not be the first image to come to mind.

But that’s one way environmentalists and scientists sometimes describe it, because the shape of Puget Sound is an important factor when it comes to keeping it clean.

A long-awaited report from the Environmental Protection Agency on the health effects of dioxin is confirming what many experts have known for a long time. 

Ever wondered who the big greenhouse-gas emitters are in your neck of the woods? The answer is now just a click away.

The US Environmental Protection Agency today unveiled a new website that identifies most of the nation's biggest emitters of carbon dioxide, methane and other greenhouse gases. It lets you, for example:

Jessica Robinson / Northwest News Network

PRIEST RIVER, Idaho – A fight over less than an acre of land in a remote part of the Northwest could alter the way the government enforces environmental regulations across the country.

The U.S. Supreme Court this winter will hear a case brought against the EPA by Mike and Chantell Sackett of north Idaho.