Solar Energy Discounts Become Employee Perk in New Program

By DIANE CARDWELL

Originally conceived by campaigners at the World Wildlife Fund, the initiative uses bulk purchasing power to allow for discounts on home systems.

Gas Deal Eludes Russia and Ukraine, but Talks Will Continue

By JAMES KANTER

The standoff between the two countries, in which Russian gas deliveries have been halted over Ukraine’s unpaid gas bill, has Europe worried about its winter supplies.

Economic Scene

A Retreat From Weather Disasters

By EDUARDO PORTER

As the damages wrought by increasingly disruptive weather patterns have climbed around the world, the insurance industry seems to have quietly engaged in what looks a lot like a retreat.

For E.U. Climate Meeting, Deep Divisions and High Stakes

By JAMES KANTER

Curbing emissions has long been a popular cause in the European Union. But leaders have to agree on how to generate and distribute energy.

In Tennessee, Time Comes for a Nuclear Plant Four Decades in the Making

By MATTHEW L. WALD

Electricity demand has not met projections, but the cost of upgrading coal-burning plants makes this an opportune moment for the reactor to arrive.

Power Plants Seek to Extend Life of Nuclear Reactors for Decades

By MATTHEW L. WALD

Nuclear proponents say that extending plants’ lifetimes is more economical — and a better way to hold down carbon dioxide emissions — than building new plants.

Tax Credits for Energy Industry Are Under Scrutiny

By JIM MALEWITZ

Susan Combs, the state comptroller, stirred controversy last month when she said Texas’ growing wind energy industry should no longer receive tax credits.

Despite Slumping Prices, No End in Sight for U.S. Oil Production Boom

By CLIFFORD KRAUSS

Even after a fall of as much as 25 percent in oil prices, several reports say it would take a drop of $10 to $20 more a barrel to slow production even modestly.