The Empire State Building is on an energy diet.
Thermal imaging cameras show how much energy some British buildings waste.
It's an illuminating idea which its creators hope will help drive up energy efficiency and bring down buildings' carbon emissions.
On Saturday, European Space Agency astronaut and World Wildlife Fund ambassador André Kuipers will watch from the International Space Station as each time zone hits 8:30 p.m. -- and track to see who on Earth turns out the lights.
Consumers flocked to auto dealerships in February at the strongest pace in four years, hungry to buy fuel-efficient vehicles and to upgrade to newer trucks.
When Fisker Automotive announced it was laying off about two dozen workers at its Delaware factory, comparisons arose to Solyndra, the solar cell manufacturer that went bankrupt despite billions of dollars in U.S. government help.
President Obama announced Friday the federal government and private sector partners will invest $4 billion over the next two years in energy upgrades to buildings across the country, an initiative the White House says will create several thousand new construction jobs.
New federal gas mileage rules proposed Wednesday will add thousands of dollars to the cost of new cars. But in the long run, regulators say, drivers will spend less on gas, outweighing the additional cost at the dealership.
Researchers at the University of California, Riverside's Center for Environmental Research and Technology (CERT) are developing a new way of boosting fuel efficiency by as much as 30% without changing a car's powertrain at all.
Let's take a little quiz. Which piece of home technology do you think uses the most electricity?
Calling it "the most important step we've ever taken in reducing our nation's dependence on foreign oil," President Obama announced a proposed new round of fuel economy standards for cars and trucks sold in the United States that would double the average mileage by 2025.
President Obama plans to announce an agreement tomorrow on a new round of fuel economy standards for cars and trucks that would require mileage gains through the year 2025.
For owners of older office buildings, the promise of smaller energy bills is a big enticement, but the way to better energy systems is a big mystery. And it's this confusion that's got Steve Gossett working hard to become the overwhelmed landlord's best friend.
American Airlines announced a plan Wednesday to replace one of the largest commercial airline fleets, with hundreds of new leased airplanes from Boeing and Airbus.
The prospects for finding a job in most areas of the economy may be getting bleaker by the day, but one sector stands out: energy efficiency.
For years Japan has embraced "setsuden" --"saving electricity" -- during the country's hot summer months.
A planned subdivision will run free of coal and nuclear energy. CNN's Kyung Lah reports.
Despite higher gas prices, auto sales rose in the Untied States in April, including a larger-than expected gain for General Motors.
The Environmental Protection Agency on Thursday said it had reached a settlement with the Tennessee Valley Authority to resolve alleged violations of the Clean Air Act at 11 of its coal-fired power plants in three states.
Anyone who's been behind the wheel of a car in the last few months has experienced a sharp pain when it came time to pay the gas tab. Prices ranging from $3.75 to $4.00 per gallon are not uncommon these days. And according to the United States Department of Energy, consumer fuel prices on average in the U.S. are up 21.8% from one year ago.
The Chevrolet Volt didn't rank as one of the top-ten "greenest" cars in America, coming at no. 13, according to the American Council for an Energy-Efficient Economy's annual list.
Pres. Obama visits Penn State University to announce an initative to create more energy efficient buildings.
President Barack Obama plugged his plans to boost energy conservation research Thursday during a visit to Pennsylvania, arguing that green technology will leave more green in Americans' wallets.
An electric bill usually isn't much to smile at.
If we have learned anything from the failed energy policies of every president since Richard Nixon, it is this: Reducing America's heavy oil import dependence is easier said than done. However, if America truly wants to return to its full potential economic growth rate, we must significantly reduce that oil import dependence.
Americans aren't known for their energy-thrift ways. Maybe that's because they have little idea as to how much energy things use.
For a while now, crazy situations, hunger pangs and frustrating hours behind the wheel have been making life slightly miserable for Florida commuter Joe Panyanouvong. The attorney who regularly makes the 84-mile journey between Orlando and Tampa on Interstate 4 is ready for a solution.
President Obama praises the resurgent auto industry and says Congress needs to pass the Small Business Jobs Act.
President Barack Obama praised autoworkers at a Ford plant in Chicago Thursday, and reiterated his administration's high hopes for the U.S. auto industry.
Hyundai Motor Co. announced Wednesday that it has set a goal to boost the fuel efficiency of its U.S. vehicle lineup to an average of 50 miles per gallon by 2025.
On July 13 General Electric CEO Jeffrey Immelt announced a $200-million 'challenge,' whereby GE, together with four venture-capital firms, committed to invest in ideas that will advance alternative-energy and efficiency programs, specifically the so-called smart grid that helps electricity networks operate more efficiently. Following the San Francisco event to unveil the program, Immelt sat down with Fortune's Adam Lashinsky to talk about GE's efforts under a campaign called Ecomagination. Immelt spoke candidly and expansively about how he'd change his 'eco' language if he were to start over, why nuclear energy's revival is a ways off, and why President Obama needs to change his tone. An edited and condensed transcript of their conversation follows.
White House spokesman Robert Gibbs Wednesday sought to deflect suggestions that former President Bill Clinton is a friendlier bridge to the business community than President Barack Obama.
1. Federal appliance rebates are going fast ...
Among the world's biggest electronics companies, who will be the first to go green? It certainly won't be Nintendo, as the Japanese corporation famous for its game consoles came in dead last in Greenpeace's latest Guide to Greener Electronics.
House lawmakers on Thursday approved a $6 billion measure that aims to provide rebates to homeowners who invest in energy efficiency improvements -- but not without a fight from Republicans.
Golden, Colorado, got its name because of its role in the Gold Rush, but these days the land of gold has gone green.
A city built on gold is now home to a lab focused on finding renewable energy. Video shot by CNN's Jeremy Moorhead.
President Obama ratcheted up his administration's push for a clean energy agenda Friday, emphasizing the prospects for an economic recovery fueled by so-called green jobs.
President Obama says jobless rate is better than expected and tomorrow's jobs will be in the clean energy sector.
President Obama was stumping once again Tuesday for his plan to reimburse homeowners who invest in energy efficiency and create jobs.
A government program that gives consumers rebates on purchases of energy-efficient household appliances is ramping up in states across the country.
Investing to make your home more energy efficient may lower the bills, but it may not boost its price, partly because these investments aren't fully valued by appraisers.
The government is expected to unveil a new program in the next couple of months that if approved may reimburse homeowners for up to half the cost of making their homes more efficient, but don't start shopping for new kitchens just yet.
The House Wednesday overwhelmingly approved extending the filing deadline for unemployment benefits and the COBRA health coverage subsidy through the end of February.
President Obama's Cash for Caulkers proposal has almost every homeowner wondering how they'll be able to cash in.
President Obama proposed a new program Tuesday that would reimburse homeowners for energy-efficient appliances and insulation, part of a broader plan to stimulate the economy.
The California Energy Commission voted unanimously Wednesday to become the first state to impose energy efficiency standards for televisions. The agency estimates the move will save consumers $1 billion a year in energy costs.
Dear Annie: I graduated from college with a civil engineering degree last spring, and I'm planning to go to architecture school. I want to focus my training on learning how to retrofit existing buildings and power plants to be more energy-efficient.
The days are getting shorter, the nights colder, but that doesn't mean that your electricity bill needs to go through the roof. In a unique experiment, the residents of Britain's Scilly Isles are hoping to show that reducing your electricity consumption doesn't have to be difficult.
Daniel Gray loves automobiles so much that it almost feels wrong to drive another vehicle: "I'll admit it. I love my car, but I cheat on it with a different car every week," he said.
As Cash for Clunkers motors through its final day, it's time to ask the question: Just how effective was the government rebate program in getting gas guzzlers off the road?
In a recent CNN commentary entitled "Green jobs: hope or hype?" Samuel Sherraden argues that green job creation will be insufficient to bring America out of recession. But Sherraden narrowly defines green as a "sector," and fails to see its potential as a strategy for the revitalization of the entire economy.
Toward the end of last week, news spread rapidly that the "cash for clunkers" program was about to run out of money.
Andrew Sable wasn't in the market for new wheels, but he says the federal "cash for clunkers" program helped him get an offer he couldn't refuse.
CNN's Gerri Willis reports on a new deal for car owners.
After the release of a miserable June jobs report, President Obama stood with a group of green company CEOs and told reporters that "men and women like these will help lead us out of this recession and into a better future."
Meet Van Jones, President Obama's Special Adviser on Green Jobs. CNN's Elaine Quijano reports.
Van Jones defies environmentalist stereotypes. He's not the earthy-crunchy, Birkenstock-wearing type. Nor is he a contemporary and corporate version -- a hedge fund-fueled entrepreneur looking to make millions by building wind farms and solar-powered corporate headquarters.
With consumer spending weak and America's auto industry in shambles, automakers sure don't hold a lot of investment appeal these days.
A $1 billion Washington program to give vouchers to consumers who replace junky cars with fuel-efficient models is likely to ramp up very soon.
The Obama Administration will lend Tesla Motors $465 million to build an electric sedan and the battery packs needed to propel it. It's one of three loans totaling almost $8 billion that the Department of Energy awarded Tuesday to spur the development of fuel-efficient vehicles.
The House on Tuesday waded deeper into the rescue of the troubled auto industry when it passed a $4 billion plan to subsidize new cars sales for consumers who scrap old ones.
The Senate is poised this week to take its first crack at a "cash for clunkers" proposal to boost the troubled auto industry.
Greensburg, Kansas reinvents itself two years after a devastating tornado nearly wiped the town off the map.
On May 4, 2007, a monster tornado tore through this rural town, killing 11 people and leaving little more than empty slabs and stacks of debris. Greensburg, 109 miles west of Wichita in south-central Kansas, faced the daunting task of rebuilding from scratch.
A congressional effort to subsidize new cars sales for consumers who scrap old ones is gaining momentum, as leaders seek to help the struggling auto industry.
How much would you guess it costs to power a city's streetlights for a year? In the case of San Jose, Calif., the tenth largest city in the country, the answer is $3.5 million. Add in the price of maintaining and replacing those lights, and that dollar figure rises much higher.
In the lodging world, green has gone mainstream. Once chided for being wasteful, the big hotel chains are now constantly trying to one-up each other with smart eco-design upgrades and stringent water and energy conservation policies.
The federal government will speed up its timetable for the purchase of roughly 17,600 fuel-efficient vehicles in an effort to help struggling domestic automakers, the White House announced Thursday.
The Empire State Building kicked off a major energy-saving retrofit Monday, and promoters hope one of the world's most iconic skyscrapers can become an efficiency model for buildings worldwide.
Standing on a turfed roof garden of an old Chinese building, property developer Amil Khan surveys the ever-changing skyline of Hong Kong.
An off-shoot of the Jane Goodall Institute is Roots & Shoots, a youth group that promotes positive environmental change.
CNN's Anna Coren speaks to renowned primatologist Jane Goodall about the big environmental issues facing the world today.
An estimated 50 million Social Security and Supplemental Security Income (SSI) recipients will receive their one-time $250 economic stimulus check starting in early May -- several weeks ahead of schedule, Vice President Joe Biden announced Thursday.
Use this explainer to help students understand the reasons for and history of daylight-saving time.
Well, here's what we've all been waiting for. Apple put out a couple of announcements on Tuesday related to its desktop computers.
If you want to green-up your home - and get the government to kick in for part of the bill - now may be the time to do it, thanks to the stimulus.
It seems that saving the U.S. economy, and greening America, is going to take a staggering amount of money.
Is Obama's stimulus package green enough? CNN's Kristie Lu Stout asks Robert Heilmayr of the World Resource Institute.
The $787 billion economic stimulus bill aims to create millions of jobs around "shovel-ready" projects.
President Obama signed a memorandum Monday requiring the Environmental Protection Agency to reconsider an application by California to set more stringent auto emissions and fuel efficiency standards than required by federal law.
President Obama's executive order requires the EPA to reconsider letting California set its own standards.
The long-term cost of the $825 billion economic recovery package before Congress could rise to $1.2 trillion over 10 years, a top budget official said Tuesday.
Why don't you tell your boss you are going to work from home this year, and it's not just for your sake, but for the sake of the environment.
In the past, homes of the future were all about sliding doors and friendly servitor robots but today's predictions link technology with sustainability as much as with convenience.
White contrails crisscrossing the sky over every major metropolis are a constant visual reminder of the fundamental role of airplanes in modern life.
It looks like America may be getting a whole lot more energy-efficient as part of any new stimulus package.
It looks like America may be getting a whole lot more energy efficient as part of any new stimulus plan.
Back in the 1960s, when Bob Metcalfe was in college, he would drive to MIT in Cambridge, Mass., from his home in Brooklyn, call home once he arrived, allow the phone to ring three times and hang up, to let his mother know he'd arrived safely.
The House of Representatives handily passed a bill Wednesday night that would provide up to $14 billion in bridge loans to automakers, but Republican opposition cast doubt about the bill's fate in the Senate later this week.
President-elect Barack Obama unveiled his energy and environment team on Monday, ushering in what's likely to be a dramatic shift in the way the nation tackles the challenges of climate change, energy efficiency and the development of cleaner sources of fuel.
In just over a month, hundreds of billions of dollars of your money could be funneling through the hands of every politician, from the president to the mayor of the smallest American town, in a plan to jumpstart the economy.
Uday Khemka of investment firm SUN Group speaks about the challenges businesses face in 'going green'.
He may have left the White House more than 8 years ago, but Bill Clinton still holds a commanding presence on the world stage.
Hybrid and electric cars play a big part in the business plans Detroit automakers presented to Congress on Tuesday. The only problem is that vehicles like General Motors' Chevrolet Volt won't be profitable for a decade or more.
The Big Three automakers yesterday presented impressive plans to Congress that justified their need for bridge loans to help them regain their competitiveness in light of a vehicle market that has crashed into a wall.
It's a rare occasion when more than three of our Principal Voices gather in a room at one time to discuss solutions to world problems.