"Most resources are depleting assets; they are no good once consumed. However, there are sources of renewal energy, and this area has been gaining attention because of environmental and global warming concerns, as well as fear about impending oil shortages," says Adrian Day.

The editor of The Global Stock Analyst explains, "Geothermal is truly environment-friendly (that is, it has a small footprint, has no residual waste, and is not a blight on the landscape), and unlike most green power, it is profitable."

"Canadian energy giants Suncor Energy (NYSE: SU) and PetroCanada (NYSE: PCZ) announced their intention to merge; Suncor, a holding in our 'Wildcatters Portfolio' will be the surviving entity," says Elliott Gue.

In his The Energy Strategist, he explains, "The combined firm will be the fifth-largest energy company in North America and the largest in Canada." Here, he explains why the new stock remains a buy.

"The combined firm will have more financial flexibility than Suncor did on its own. Debt ratios will be healthier, and the combined firm will also be able to redirect certain planned capital expenditures to higher return potential projects.

"The global oil and gas majors have been brutally wounded since energy prices peaked last July," observes resources expert Eric Roseman.

In his Commodity Trend Alert, he explains, "We believe it's safe to start accumulating these companies again. We're buying one of the largest and best-managed natural gas companies in the world – Encana (NYSE: ECA)."

The advisor notes, "Based in Calgary, Alberta, Encana is Canada's largest natural gas distribution company based on stock market capitalization and natural gas production.

"ECA produces approximately 4.4 billion cubic feet of gas equivalent per day. More than 80% is natural gas - the cleanest burning of all fossil fuels.