Global warming: Heat stress hits labour productivity

Heat stress from global warming may be having an impact on outdoor work productivity in hot regions like northern Australia, Southeast Asia and the southern United States, a study said Sunday.

Unilever to phase out 'microplastics' by 2015

(AP)—Unilever, the maker of Vaseline, Axe deodorants and Dove soaps, among other cosmetic and hygiene products, says it will phase out the use of microplastics by 2015.

UN director presses US to cut biofuel output

The head of the UN's Food and Agricultural Organization urged the United States to halt its biofuel output to prevent a food crisis, in an editorial published by the Financial Times on Friday.

Annual Arctic sea ice less reflective than old ice

In the Arctic Ocean, the blanket of permanent sea ice is being progressively replaced by a transient winter cover. In recent years the extent of the northern ocean's ice cover has declined. The summer melt season is starting ...

Ocean acidification linked to larval oyster failure

Researchers at Oregon State University have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had declined to a ...

Sailing in a sea of microbes

(PhysOrg.com) -- Researchers led by Matt Sullivan at the University of Arizona are among the first to dive into the world of viruses drifting through the world's oceans.

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