A new peer-reviewed study funded by the U.S. Department of Energy says oil extracted from Canada's oil sands produces greenhouse-gas emissions that are an average 20% higher than for conventional U.S. crude.

Although trading within a relatively narrow trading range since last October, the PHLX Gold/Silver Sector Index (XAU) now appears to be basing out and may be in position to make a solid move higher.

On May 30, we issued an updated research report on Potash Corp. While the fertilizer company should gain from a healthy demand environment in North America this year, it remains exposed to volatility in potash and phosphate pricing.

Silver Bull Resources Inc. (SVB.TO,SVBL) is trading over 7% higher today at 58 cents a share and the company receiving a $5-million investment from Coeur d'Alene Mines Corp. (CDM.TO,CDE) as part of a larger non-brokered sale of stock raising $7.525 million in gross proceeds.

Northland Resources S.A. (NAU.TO) is nearly 5% higher today at $1.29 a share after local officials in Narvik, Norway, approved a construction permit allowing the company to begin work on a new iron ore terminal on the Barents Sea coast.