WASHINGTON, D.C. -- The EPA announced plans to create tougher rules to reduce air pollution from U.S.-flagged ships Wednesday, the same day new fuel regulations for ocean-going vessels went into effect in California. A day earlier, the state finally received a long sought-after waiver that allows it to regulate vehicle tailpipe emissions in its efforts to address climate change.

There probably are lots of senior execs who've been comforted when their chief scientist has told them that since "the dose makes the poison," they shouldn't sweat some new study about a chemical found in small amounts in their products. This maxim is somewhat misleading; taking it at face value may be toxic to your company's reputation.

AUGUSTA, Maine -- Under a new Maine law, producers of compact fluorescent light bulbs (CFLs) will be required to provide or fund free CFL collection and recycling programs for household CFLs.

WASHINGTON, D.C. -- Among the innovations recognized in the 14th annual Presidential Green Chemistry Challenge Awards were a new type of vegetable oil-based paints from Procter & Gamble, a method to make gasoline or jet fuel from sugars, and other environmentally friendly processes.

OAKLAND, Calif. -- California’s attorney general and 20 district attorneys filed a lawsuit against Target Corp. today that accuses the retailer of dumping pesticides, propane canisters and other hazardous waste in local landfills.

SAN FRANCISCO, Calif. -- The long-awaited digital TV transition began today, leaving millions of Americans without a signal unless they secured a set-top converter box. That could leave behind heaps of unwanted analog TVs that some manufacturers are ill equipped to recycle.

A new EPA ruling, and a nearly unrelated court ruling, highlight the challenges the country faces in trying to weed out the use of harmful chemicals in food, products, and manufacturing.

ROUND ROCK, Texas -- Casting a broad net to keep as much potentially toxic electronic waste out of developing countries, Dell today laid out its company-wide policy and challenged other IT firms and legislators to take the same stance.

WASHINGTON, D.C. -- The new rules apply to all Toxics Release Inventory reports due July 1, and will increase the amount of information that companies must disclose about their releases of toxic chemicals across the country.

BOULDER, Colo. -- A Colorado-based nonprofit has created a calculator that estimates the amount of chemicals avoided through organic dairy farming in the U.S.

Every year, excess fertilizers and animal manure flows down the Mississippi River and empties and increasingly large swath of the Gulf of Mexico completely lifeless. Now, the U.S. Geological Survey has pinpointed the top 150 culprits.

WASHINGTON, D.C. -- The Department of Energy will spend $6 billion in stimulus funds cleaning up Cold War era nuclear weapons sites in a dozen states. The lion's share, some $1.96 billion, will go to Washington state for what's being billed as the world's largest environmental cleanup project.

POMONA, CA, & WASHINGTON, D.C. -- The Obama administration has announced that almost $3 billion can be tapped for development of plug-in hybrid vehicles, clean energy and air projects and reclamation of contaminated sites known as brownfields.