"An exhaustive report on Portland Harbor contamination -- written by industries and local government agencies that will likely have to pay for much of the cleanup -- tends to 'minimize the risks to human health and the environment' from harbor pollution, federal regulators say."

"A $10.5 million research project aimed at mapping the DNA sequence of sunflowers could one day yield a towering new variety for both food and fuel."

"A sister company to Toyota Motor Corp secured a lithium supply deal in Argentina on Wednesday that could help the world's largest automaker keep its lead in gasoline-electric hybrid cars."

"Vermonters have been getting a lesson in radioactive tritium over the past two weeks because of the discovery of contamination at Vermont Yankee. Vermonters are not alone. Other Entergy reactors -- including plants in Massachusetts and New York -- also have similar leaks."

"The three Republicans vying for the chance to unseat Sen. Barbara Boxer (D-Calif.) this fall were tripping over themselves yesterday in a rush to capitalize on momentum generated by a rare special-election upset in a liberal stronghold 3,000 miles away."

"Hudson River dredging released almost 25 times more PCBs into the water than expected, General Electric said Thursday in calling for changes in performance standards before the massive Superfund cleanup resumes."

"Massey Energy President Don Blankenship and environmental lawyer Robert F. Kennedy Jr. on Thursday evening debated the future of coal and the science of climate change, agreeing on little but drawing still more national attention to the crucial issues that face the Appalachian coalfields."

"U.S. Senator Lisa Murkowski, a leading Republican on energy policy, on Thursday moved to stop the Environmental Protection Agency from regulating greenhouse gas emissions that are blamed for global warming."

"Federal officials announced two major settlements on Thursday for reducing emissions from 28 glass and cement plants across the country."