For the Digitally Deceased, a Profitable Graveyard. A company pledges to recycle unwanted electronic equipment with minimal environmental impact -- and makes money doing it.

Wildlife | Riverhead: River Otters Reappearing on Nassau County’s North Shore. A semi-aquatic mammal rare on Long Island for 200 years, has turned up on Nassau County’s North Shore.

In Fighting Wildfires, Concerns About Chemicals. Chemical fire retardant has become crucial in fighting wildfires, but it also harms watersheds and wildlife.

California to Plan Climate Change Strategy. Gov. Arnold Schwarzenegger has instructed state agencies to prepare for rising seas as they plan to replace water pipelines around sewage treatment plants and low-lying airports.

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

Congo Violence Reaches Endangered Mountain Gorillas. With the recent violence in eastern Congo, there are no trained rangers now to protect the mountain gorillas in the region.

Observatory: Drip Irrigation May Not Save Water, Analysis Finds. A new analysis suggests that subsidies and other policies that encourage conservation methods like drip irrigation can actually increase water consumption.

Pollution Has Leveled Off, but the Figures Have Holes, Report Says. The United Nations report was released two weeks before the world’s environmental ministers are to meet to discuss ways to curb greenhouse gases.

Bark Beetles Kill Millions of Acres of Trees in West. From New Mexico to British Columbia, an infestation of mountain pine beetles is turning a blanket of green forest into a blanket of rust red.

National Briefing | South: Florida: New Offer for U.S. Sugar Land. The Lawrence Group, a Nashville company, has offered a bid in competition with Florida’s plan to buy 181,000 acres from U.S. Sugar to rescue the Everglades.

Court Says Shell Can’t Drill Near Alaska. The federal appeals court’s decision came after a finding that the Interior Department had failed to conduct an environmental study before issuing the company’s drilling permit.

G.M.’s Latest Great Green Hope Is a Tall Order. The Chevrolet Volt is the centerpiece of G.M.’s strategy to convince Congress of the strength of its business plan.

About New York: At a New York Seminary, a Green Idea Gets Tangled in Red Tape. A geothermal energy plan to reduce annual carbon dioxide emissions has been continually delayed by a four-year siege of red tape.

Bald Eagles in Catskills Show Increasing Mercury. An environmental organization has found high levels of 0f mercury in the blood and feathers of bald eagle chicks in the Catskill Park region of New York.

Slump May Limit Moves on Clean Energy. A poor global economy and plunging prices for coal and oil are upending plans to curb the use of fossil fuels.

Asian Beetle Spells Death for Maples So Dear. A number of maple trees in Worcester, Mass., will be chopped down because of an infestation of Asian long-horned beetles that is plaguing thousands of trees.

Investment Funds Push an Environmental Agenda. Investing with the idea of improving the environmental actions of corporations is catching on among some big pension funds.

A Land Rush in Wyoming Spurred by Wind Power. Residents are forming associations to bargain with developers looking to buy land rights for wind farms.

In Maryland, Focus on Poultry Industry Pollution. As officials seek new rules on how farmers can spread or store chicken manure, the industry is fighting back.

Carbon Detectives Are Tracking Gases in Colorado. Scientists are tracking where greenhouse gases come from and where they go over time in order to learn how to budget emissions for the long term.