New US anti-pollution standards draw industry fire

US health campaigners Wednesday hailed the announcement of new anti-pollution standards for American manufacturers, but industry leaders condemned the rules for being costly and overly aggressive.

Arsenic in water near coal-fired US plants: monitor

An environmental monitor Tuesday identified 19 new sites across the United States where groundwater near coal-ash dumps from power plants was found to be contaminated with arsenic and other pollutants.

Scientists document aquatic species decline at dams and weirs

Dams and weirs have a stronger impact on the ecosystem of watercourses than was previously realized. Species diversity in the dammed area upstream of weirs shows a significant decline: the diversity of fish species is one-quarter ...

A new role for cytokinin plant hormones

When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...

US boosts radiation monitoring in western states

The United States is deploying extra radiation monitors to western US outposts Alaska, Hawaii and Guam to detect any fallout from Japan's crippled nuclear plant, an official said Thursday.

Obama's greenhouse gas rules survive Senate vote

(AP) -- In a boost for the president on global warming, the Senate on Thursday rejected a challenge to Obama administration rules aimed at cutting greenhouse gas emissions from power plants and other big polluters.

Phase 1 of PCB removal on Hudson wrapping up

(AP) -- Crews dredging a polluted stretch of the upper Hudson River this year battled high water, old logging debris and unexpected levels of PCB contamination that slowed progress.

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