Longtime financial commentator and author discusses how investors can profit from the clean tech revolution.

• A spike in oil spikes the best clean tech stocks
• ETFs: more trading vehicle than physical ownership substitute
• Avoid the ‘story' stocks

Author and senior partner of the Boston Consulting Group sees rising wealth among emerging markets driving commodities demand.

• What is globality and what does it mean for investors?
• From subsistence to consumption
• Invest where the resources are

Prices of platinum and palladium have soared recently to their highest levels since November 2008. So why is GM's bankruptcy partly to blame?

• Behind the automotive connection
• Playing the platinum-palladium spread
• How the only U.S. PGM miner has fared

The editor of the Global Commodities Alert discusses how investors can protect themselves in the coming months.

• From whirlwind to implosion
• Increased interest rates: wishful thinking?
• Silver as an inflation play

The chairman and director of GATA explains why he feels gold and silver prices have been purposely suppressed.

• The Gold Cartel
• Borrowing gold is like free money
• Quantitative easing: the final straw?

Financial adviser and TheStreet.com contributor Roger Nusbaum sees opportunities in agriculture and other hard asset categories.

• Oil is going to $80
• Gold still has a place
• Monsanto as a core holding

The filing for active commodity equity funds from Claymore has some asking when active commodity futures ETFs will appear.

• Claymore vs. its competitors in the equity space
• CTAs and active futures
• What about the Barclays Hedge Index

Uranium prices are rebounding. But how does the long-term picture look?

• Headed for a bull market?
• New mines in Africa
• Uranium stocks outperform

Gold may make the headlines, but we caught up with one of silver's notorious bulls to hear the case for ag.

• The 'good times' metal vs. 'doom-and-gloom'
• Uncommon supply issues
• The 'right' ratio with gold