The world has begun to shun dirty fuels, but an undaunted Exxon Mobil says oil will power economies for decades.

As the world begins to shun dirty fuels, Exxon Mobil, undaunted, says oil will power economies for decades.

More stores are building environmentally friendly outlets, as a way to curry favor with consumers and to lower operating costs.

The Internet search giant is increasingly looking to the energy sector as a potential business opportunity.

Beyond its investment into energy-efficient data centers and its philanthropic pursuits, the company has indicated it is looking to the energy sector as a business opportunity.

The University of California study comes as state and regional initiatives on climate-change policies have been gathering momentum.

Winter is coming. The economy is in crisis. People are fearful. So why should we hope oil prices don’t fall too far?

Winter is coming. The economy is in crisis. People are fearful. So why should we hope oil prices don’t fall too far?

Interest for wind turbines small enough to mount on a roof is spreading from coast to coast, even though their installation is hardly ever recouped in electricity savings.

Darker skies can be achieved with new products and technologies, generating real benefits not only for astronomers but also for businesses.