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ust 18 months after its launch, the Science Based Targets initiative announced that 200 companies have committed to set emissions reduction targets consistent with the global effort to keep temperatures well below the 2-degree threshold. In the past year, the initiative has seen a growth rate of over 2 companies per week committing to set science-based targets, far exceeding the project's timeline and signaling that climate action has gained tremendous momentum in the private sector.

The Science Based Targets initiative is celebrating a major milestone: over 100 companies have turned their commitments into targets and are now working towards emission reductions in line with what climate science says is necessary to limit warming to below 2°C.

Hewlett Packard Enterprise has adopted a science-based goal to cut its operational GHG emissions by 25% by 2025 from 2015 baseline levels. The goal has been verified and approved by the Science Based Target initiative. MORE »

Kering has committed to a science-based goal to cut its direct and indirect emissions by 50% by 2025, becoming the first luxury company to do so. The goal has been verified and approved by the Science Based Target initiative.

The Science Based Targets initiative announced that 155 companies are now participating in its program to establish emissions goals in line with what scientists say is necessary to keep global warming below the 2 degrees Celsius threshold.

Companies are beginning to unleash a new generation of science-based sustainability goals, which promise to address social environmental problems at the local and global levels. 

In an announcement at the United Nations COP21 global climate talks in Paris, a total of 114 companies have joined a Science Based Targets initiative orchestrated in partnership with CDP, the World Wildlife Fund and the U.N. Global Compact.

As the annual Climate Week NYC launches today, more companies are announcing their commitment to carbon emissions reduction targets. And they are doing so through using the guidelines set by the Science Based Targets initiative, which provides a framework that its supporters say can help companies stay competitive while doing their part to mitigate climate change.

Genetically manipulated food remains generally safe for humans and the environment, a high-powered science advisory board declared in a report on Tuesday. The National Academies of Science, Engineering and Medicine concluded that changing the genetics of what we eat does not produce the "Frankenfood" monster some opponents claim - but is not feeding the world with substantially increased yields, as proponents promised.

Last month, the first comprehensive study on global bush meat consumption found that 113 species in Southeast Asia have dwindled to precarious numbers, primarily due to bush meat hunting and trapping. But while this region may be one of the worst affected, the study, published in Royal Society Open Science, reports that bush meat hunting is driving many of the world's mammals to the brink of extinction. "The large mammals are much more threatened than the small ones," says William Ripple, a professor of ecology at Oregon State University and lead author of the study. "This is likely because there is more meat on large mammals."

pilot project that sought to demonstrate that carbon dioxide emissions could be locked up by turning them into rock appears to be a success. Tests at the CarbFix project in Iceland indicate that most of the CO2 injected into basalt turned into carbonate minerals in less than two years, far shorter a time than the hundreds or thousands of years that scientists had once thought such a process would take. Read more: http://www.smithsonianmag.com/science-nature/iceland-carbon-capture-project-quickly-converts-carbon-dioxide-stone-180959365/#GpYzrDcLOjF1tUZx.99 Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGv Follow us: @SmithsonianMag on Twitter

San Francisco just took a major step to save the environment. The city's Board of Supervisors unanimously passed an ordinance to ban the sale of polystyrene - more commonly known by its brand-name "styrofoam" - on Tuesday. It's the broadest ban on the product in the country, according to Mother Jones. "The science is clear," London Breed, Board of Supervisors president, said in a statement in April. "This stuff is an environmental and public health pollutant, and we have to reduce its use." Starting January 1, 2017, vendors will no longer be able to sell polystyrene products, from food packaging and coffee cups to packing peanuts and pool toys, according to Science Alert. And starting July 1, styrofoam fish and meat trays in supermarkets will also be banned.

Geoengineering technologies such as injecting sulfur into the atmosphere to offset carbon dioxide will begin to seem less like science fiction and more like a reasonable solution, argues David Keith of Harvard Kennedy School. Not everyone's convinced that's a good idea, though. "Solar climate engineering is a flawed idea seeking an illusory solution to the wrong problem," counters Mike Hulme of King's College London.

When people picture sand spread across idyllic beaches and endless deserts, they understandably think of it as an infinite resource. But as we discuss in a just-published perspective in the journal Science, over-exploitation of global supplies of sand is damaging the environment, endangering communities, causing shortages and promoting violent conflict.

In a recent GreenBiz webcast, a panel of experts - including strategists from General MIlls, Kering and McDonald's - explained why going big on sustainability goals is increasingly a smart business strategy, as well as a good stewardship policy. They discussed the intersection of today's major frameworks, such as science-driven goal setting, the Science-Based Targets initiative (SBTI), planetary boundaries, Sustainable Development Goals, and more, and provided concrete business cases from several organizations on how they are conducting this transition.

The loss and decline of animals around the world - caused by habitat loss and global climate disruption - mean we're in the midst of a sixth "mass extinction" of life on Earth, according to several studies out Thursday in the journal Science.

Nearly all ocean dead zones will increase by the end of the century because of climate change, according to a new Smithsonian-led study. But the work also recommends how to limit risks to coastal communities of fish, crabs and other species no matter how much the water warms.

Thanks to a study published today in the journal Science, we finally have an estimate. Are you sitting down? Humans release between 5.3 million and 14 million tons of plastic into the ocean annually.