Places such as Purgatory Chasm and Millstone Hill, in Worcester's Green Hill Park, bear witness to the work of the glaciers.

A bill passed by the Illinois legislature could slow the growth of carbon sequestration proposals—and proposals, in ...

The molten rock was hot enough to melt the surrounding rocks and release massive amounts of carbon dioxide into Earth's ...

Rapid rise in energy demand from Silicon Valley players and US military offer ways to commercialise geothermal projects - if ...

This surreal wilderness area has served as a filming location. Despite a name few have ever heard, it may be America's most beautiful destination.