Effects of solar flares arriving on Earth

(AP) -- The impact of a series of eruptions on the sun began arriving at Earth on Friday and could affect some communications for a day or so.

A more sustainable way to generate phosphorus

Phosphorus is an essential ingredient in thousands of products, including herbicides, lithium-ion batteries, and even soft drinks. Most of this phosphorus comes from an energy-intensive process that contributes significantly ...

US carbon emissions in surprise drop

US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.

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