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

With ETF Securities lining up to launch platinum and palladium exchange-traded funds in the U.S., some investors are positioning ahead of the launch.

• Could an ETF cause a shortage in demand?
• What's changed since the last time they talked about a platinum ETF?
• The best way to play platinum ahead of a launch

Will the rapidly evolving carbon market spell salvation for the environment – or disaster?

• The real power of ‘green’: money?
• Obtaining credits through offsets
• Test-driving a voluntary market

This often-overlooked asset class can help you tap into the coming infrastructure boom.

• High yields, low risk
• Oversold and undervalued?
• The risks and challenges

Boosted by weather concerns, oil costs and biofuel programs, the price of rice looks quite nice.

• Rice a daily staple for more than half the world population
• 7% of total production trades on the global market
• Stockpiles at lows not seen since 1976

The market continues to reflect its faith in fission.

• The boom, the pullback and now...
• The top pure-play mining companies
• Could thorium be the secret winner?

All three remaining presidential candidates favor a mandatory cap-and-trade CO₂ system. Is now the time to buy carbon contracts?

• Can conservation and capitalism mix?
• CCX or NYMEX?
• Will it really work?

This Valentine's Day, skip the heart-shaped box - buy futures instead.

• Heart-healthy message spurs demand
• War, drought plague supply
• New 24-year price record