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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.

Tiffany & Co., Target and Helzberg Diamonds have committed to more sustainable gold and metals mining.

Mountaintop-removal mining is changing water chemistry and harming fish stocks in the Appalachians, federal researchers say. "We're seeing significant reductions in the number of fish species and total abundance of fish downstream from mining operations," says biologist Nathaniel Hitt.

Armed with new high-tech equipment, mining companies are targeting vast areas of the deep ocean for mineral extraction. But with few regulations in place, critics fear such development could threaten seabed ecosystems that scientists say are only now being fully understood.

Since 2000, Indonesian coal production has increased five-fold to meet growing domestic demand for electricity and feed export markets in Asia. The intensive mining is leading to the clearing of rainforest and the pollution of rivers and rice paddies.

The deforestation consequences of ever-expanding agriculture is well understood. New research suggests that what is less well known is the impact from other industrial practices, including mining, particularly in the Amazon region. In a push for development and growth, governments have been scrambling to reap the economic benefits of extracting large amounts of metal ores, with the deforestation associated with such development in areas of ancient virgin forest more serious than previous thinking suggested, according to a new study.

While the usual culprits such as farming, ranching and logging are well known, gold mining is fast extending its destructive reach into some of the world's most untouched landscapes, according to research published this week in the journal Environmental Research Letters.

Tunisia has set a goal to source 33% of its total electricity needs from renewables by 2030. Energy and Mines Minister Mongi Marzouk said Tunisia's installed renewable energy capacity would have to reach 16 gigawatts to meet that goal, requiring an investment of about $7 billion.

JPMorgan Chase & Co. will no longer provide project financing for new coalmines worldwide or new coal fired power generation plants in high-income OECD countries.

These small-scale fishermen in southern Japan are up against an industrial fishing juggernaut that is rapidly depleting stocks of Pacific bluefin tuna. A prime culprit behind the crisis, the Iki fishermen said, is a high-tech Japanese fishing armada that mines the waters northeast of Iki where Pacific bluefin tuna congregate to spawn. For the past 11 years, convoys of boats have waited in the Sea of Japan for these fish to gather, then used sonar tracking devices and huge purse seine nets to scoop them up by the thousands and sell them to global seafood giants such as Nippon Suisan Kaisha and Maruha Nichiro Corporation.

The White House has announced a new plan to reduce America's methane emissions, which are thought to account for up to 14% of the country's total greenhouse emissions. The Environmental Protection Agency will monitor methane emissions from the fossil-fuel sector, and the Interior Department will develop a plan to capture and sell methane emitted by coal mines on federal land. The effort will depend on "cost-effective, voluntary actions and common-sense standards," said Dan Utech, special assistant to the president for energy and climate change

The White House released a new strategy Friday to address methane emissions from landfills, mines, agriculture, and the oil and gas sector.

A recent United Nations report shows that e-waste is a mine of both recyclables and toxics.

After almost two years of research and collaboration with a variety of partners, social enterprise Fairphone is pleased to announce it has successfully established the first pilot supply chain for Fairtrade-certified gold for the electronics industry. Fairphone is now the world's first Fairtrade-licensed consumer electronics manufacturer to support responsible gold mining in Peru with the production of the Fairphone 2.

The 14 companies that issued a joint statement Wednesday endorsing international negotiations include leaders from some of the world's most carbon-intensive industries: coal miners BHP Billiton Plc and Rio Tinto Plc; oil majors Royal Dutch Shell Plc and BP Plc; aluminum producer Alcoa Inc.; and the planet's biggest cement-maker, LarfargeHolcim Ltd

A new study calculates that the island of Borneo lost nearly 150,000 orangutans in the period between 1999 and 2015, largely as a result of deforestation and killing. There were an estimated 104,700 of the critically endangered apes left as of 2012. The study also warns that another 45,000 orangutans are doomed by 2050 under the business-as-usual scenario, where forests are cleared for logging, palm oil, mining and pulpwood leases. Orangutans are also disappearing from intact forests, most likely being killed, the researchers say.

Research published in the American Journal of Primatology earlier this month finds that the overall Western Chimpanzee population declined by six percent annually between 1990 and 2014, a total decline of 80.2 percent. The main threats to the Western Chimpanzee are almost all man-made. Habitat loss and fragmentation driven by slash-and-burn agriculture, industrial agriculture (including deforestation for oil palm plantations as well as eucalyptus, rubber, and sugar cane developments), and extractive industries like logging, mining, and oil top the list. In response to the finding that the Western Chimpanzee population has dropped so precipitously in less than three decades, the International Union for the Conservation of Nature (IUCN) elevated the subspecies' status to Critically Endangered on its Red List of Threatened Species.