Those looking to turn a profit in the green space are most apt to do so by investing in stocks that are poised to benefit from  government funding, have strong regulatory support and dominate an essential niche in the green market.

Despite recent advances, the U.S. lags far behind other major countries when it comes to clean energy investment and experts say it may never compete on equal terms, let alone lead.

The outlook for the solar industry might not be glowing, but its a lot brighter than it was a year ago when financing and demand dried up, abruptly ending what some might consider a golden age.

You’ll need to do some work to make an organic-apples-to-apples comparison between them, but they'll help you get to a company's sustainable bottom line.

Investing in green tech a great way to get in on the ground floor of a burgeoning sector with global exposure, but you may be taking a gamble on still unproven technologies.

Green investing has grown well beyond niche status, as the number of mutual funds and ETFs has increased enormously in recent years. Here's a list of the major ones.

Green exchange traded funds, ETFs, and mutual funds  provide the average investor an easy entrée into the nascent and sometimes volatile world of carbon conscious investing.

These are exciting times in the world of green. Washington is abuzz with the subject and Wall Street and Main Street are certainly taking note. So does this special report: "Invest in Green."  It is by no means an imperative. Green investing is an option and an increasingly more popular one.  Think of this as a starter's guide.

President Barack Obama backed on Sunday a compromise proposal to ensure U.N. climate talks next month in Copenhagen don't end in failure.

Commercial real estate is somewhere between an orderly massacre and a disaster, William Mack, founder and chairman of Area Property Partners, told CNBC.

The housing market has improved slightly and prices are starting to stabilize, but we could see another downswing this winter, James Lockhart, vice chairman of WL Ross & Co. and former director of the Federal Housing Financial Agency, told CNBC.

About two-thirds of global corporates are not prepared to pay higher rents to take space at "green" buildings, even though 70 percent of them view sustainability as a critical business issue, a survey showed.

World energy use will rise rapidly over the next 20 years, increasing costs and greenhouse gases unless a deal is reached to curb carbon dioxide emissions, the International Energy Agency (IEA) said on Tuesday.

Ida weakened to a tropical storm Monday as it churned toward oil and gas facilities in the Gulf of Mexico and was forecast to hit the U.S. Gulf Coast early Tuesday between Louisiana and Florida.

Home prices always lag sales, but they may be beginning to catch up.  A new report from Zillow.com finds home values stabilized in the third quarter of this year, as sales of new and existing homes grew.