The December 2008 coal-ash spill at a Tennessee power plant has been making headlines for two weeks — but few journalists realize there are coal-ash stories to be unearthed in many communities. Here are some clues for finding them.

The Energy Department in December 2008 published an 11th-hour proposed amendment to the Bush administration's secrecy rules that shroud the policies that brought Americans Enron, California blackouts, and $4 gasoline.

The Obama administration is taking shape with many key environmental appointments to the cabinet and elsewhere. This is the first half of our guide to the new players, their backgrounds and agendas.

The Obama administration is taking shape with many key environmental appointments to the cabinet and elsewhere. This is the second half of our guide to the new players, their backgrounds and agendas.

Across the globe and in almost everyone's backyard many information technology (IT) companies and managers are growing more conscious of the energy consumption.

Power plants are under the gun as federal and state legislators and regulators haggle over how to address climate change and energy production issues.

US wind-power capacity rose substantially again in 2006, boosting the cumulative total by 27%.

Around the world, compact fluorescent lamps (CFLs) are widely touted — and sometimes required — as energy-efficient replacements for standard incandescent bulbs.

In an effort to expedite development of major energy transmission lines that would help feed growing energy demand in the US, the federal government is pushing forward with multiple efforts to make the necessary lands available.

Many cities are embarking on coordinated programs designed to significantly increase their tree cover, in order to address issues such as aesthetics, energy use, carbon sequestration, air quality, and stormwater runoff.