Government agencies buy a lot of products and services. In some countries, up to 30 percent of GDP is due to government spending, according to the World Bank. What would happen if these agencies matched their sustainable development commitments to their actual spending?

Chipotle is under pressure from shareholder activists who want the company to publish an annual report on its food sourcing, energy use, waste and labor standards. The proposal, due for a vote at Chipotle's shareholder meeting in May, is important given the brand's focus on green marketing, explains Adam Kanzer, managing director at Domini Social Investments. "They've really put their brand behind this message of sustainability and better farming techniques and cleaner agriculture," he says. "We want to understand: Is it true? How is it done? How do you manage it?"

A new maritime fuel regulation from the EPA could crowd roads and increase onshore air pollution, according to a shipping group. The rule requires the use of high-cost, ultra-low sulfur fuels in ships operating within the 200 nautical mile boundary of the North American Emission Control Area (ECA).

Hershey has exceeded three of its key environmental sustainability goals set in 2012 by two to three years.

Investors have filed 417 social and environmental shareholder resolutions so far this year at least 50 more than the same time in 2013 and 20 percent more than in February 2012, according to an analysis of proxies.

Food Lion has implemented a sustainable seafood policy that covers approximately 1,000 fresh, frozen, canned or packaged products sold across the store.

Twenty-four out of 30 top companies in the packaged food, fast food and personal care industries have inadequate commitments or lack commitments altogether for sourcing sustainable palm oil for their products, according to the Union of Concerned Scientists (UCS).

From organic cotton to hemp and bamboo, a brief list highlights some of the differences between sustainable and conventional textile production methods.

European lawmakers are poised to sign off on a law that would allow airlines to avoid paying carbon fees for long-haul flights terminating in Europe. The move disappointed greens, who said lawmakers had secured little beyond vague promises of future action in exchange for the move. "European governments have conceded again to international pressure without getting anything meaningful in return," said transport activist Bill Hemmings

Unsustainable agricultural methods have caused the planet's soil to release up to 70% of its carbon into the atmosphere -- and scientists say that restoring soil conditions might help to reabsorb that carbon and slow climate change. "If we treat soil carbon as a renewable resource, we can change the dynamics," says carbon-cycle expert Thomas Goreau

Hilton Worldwide will cease serving shark fin and stop accepting new orders for shark fin dishes by April 1, 2014. The ban covers all restaurants and facilities operated by its 96 owned and managed properties across Asia Pacific.

Over the last 50 years, human diets around the world have grown ever more similar and the trend shows no signs of slowing, with major consequences for human nutrition and global food security, according to research carried out at International Center for Tropical Agriculture.

Bear Republic is taking things a step farther: In January, it was the first brewery to buy Cambrian's EcoVolt system, which uses electrically active organisms to clean wastewater for reuse while creating a high-quality biogas that helps offset the heat and electricity needed for Bear's production process

A group of 140 California firms have reiterated calls for legislators to deliver ambitious action on climate change with the release of a new declaration signaling their support for policies that serve to cut emissions and drive investment in clean tech.

Japanese scientists are preparing to launch a satellite that will use a 300-meter electromagnetic tether to snag orbiting trash left over from past satellites and space missions. The magnetic field will slow the trash, causing it to gradually fall closer to Earth and eventually burn up in the atmosphere. It's thought there are tens of millions of trash fragments in orbit around the Earth.

With companies producing increasingly transparent sustainability reports, each with extensive metrics, a bourgeoning industry of rating agencies has emerged to help stakeholders identify industry leadership.

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Fashion marketing is predicated on the assumption that clothes fall out of fashion from season to season and that consumers must keep buying to stay hip, writes Ceri Heathcote. Sustainable brands should make a stand and encourage consumers to dress for their personal style rather than for marketer-created fashion trends, Heathcote argues.

For sustainable fishing businesses to succeed and proliferate, a green, ethical approach has to spread throughout the supply chain, writes Monica Jain. "It is also important that businesses that value sustainability demonstrate that they are successfully carving out market share from traditional sources, providing investors with confidence in these businesses' ability to succeed and grow," she writes.

Greenhouse gas emissions in the US totaled 6,501,000 million metric tons of carbon dioxide equivalent in 2012, a 3.3 percent reduction from the previous year, according to an annual draft report by the EPA.