COPENHAGEN — Generous government subsidies made cloudy, chilly Germany the world’s biggest market for solar power. More than…

Researchers have found a new mechanism by which the photovoltaic effect can take place in semiconductor thin-films. This new path to energy production brightens the future for photovoltaic technology by overcoming voltage limitations that plague conventional solid-state solar cells.

The U.S. General Services Administration (GSA) will also buy about 100 plug-in hybrids in 2011, President Barack Obama said today as part of a broad announcement on his energy security strategy that also includes boosting offshore drilling and finalizing new light-duty vehicle fuel economy and greenhouse gas emission standards.

The sheer number of voluntary GHG programs these days can be bewildering. To help solve that problem, EDF has created a step-by-step guide for developing a strategy for GHG emissions that can lead to credible and lasting reductions.

A new report from the Pew Center on Global Climate Change highlights how leading companies have embraced energy efficiency goals and lays out the steps that any firm can take to reduce their energy use and increase savings and benefits.

This comprehensive report from the Pew Center on Global Climate Change looks at the energy efficiency practices of leading companies and offers a 12-step program to help any become more energy efficient.