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Air Products has signed contracts with more than 20 recycled copper manufacturers in China to provide its oxy-fuel product that it says improves productivity and material qualities compared to conventional air-fuel technologies. It also decreases harmful emissions and reduces energy consumption and fuel costs.

The proposed Pebble Mine in southwestern Alaska is a project of almost unfathomable scale. The Pebble Limited Partnership intends to excavate a thick layer of ore - nearly a mile deep in places - containing an estimated 81 billion pounds of copper, 5.6 billion pounds of molybdenum, and 107 million ounces of gold. The mine would cover 28 square miles and require the construction of the world's largest earthen dam - 700 feet high and several miles long - to hold back a 10-square-mile containment pond filled with up to 2.5 billion tons of sulfide-laden mine waste. All this would be built not only in an active seismic region, but also in one of the most unspoiled and breathtaking places on the planet - the headwaters of Bristol Bay, home to the world's most productive salmon fishery. Composed of tundra plain, mountain ranges, hundreds of rivers, and thousands of lakes, the greater Bristol Bay region encompasses five national parks and wildlife refuges, and one of the largest state parks in the U.S.

Recycling is paying off for Apple - to the tune of about $43.6 million in gold. According to Apple's environmental responsibility report, the company recovered 2,204 pounds (a little over a ton) of gold from recycled electronic devices last year from its take-back initiatives and other recycling events. The take-back initiatives allow customers to drop off Apple products at stores or mail them in to be recycled.

According to Apple's environmental responsibility report, the company recovered 2,204 pounds (a little over a ton) of gold from recycled electronic devices last year from its take-back initiatives and other recycling events. The take-back initiatives allow customers to drop off Apple products at stores or mail them in to be recycled.