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Naturally occurring arsenic in private wells threatens people in many U.S. states and parts of Canada, according to a package of a dozen scientific papers to be published next week. The studies, focused mainly on New England but applicable elsewhere, say private wells present continuing risks due to almost nonexistent regulation in most states, homeowner inaction and inadequate mitigation measures. The reports also shed new light on the geologic mechanisms behind the contamination. The studies come amid new evidence that even low doses of arsenic may reduce IQ in children, in addition to well documented risks of heart disease, cancer and reduced lung function. The reports comprise a special section in the journal Science of the Total Environment.

A team of University of Utah researchers has launched an air pollution monitoring project that will result in a better understanding of air quality across the Wasatch Front.

Utah researchers Logan Mitchell, Erik Crosman, John Horel, and John Lin of the University of Utah’s Department of Atmospheric Sciences are a few months in to the ongoing project, in which data are being gathered from sensors mounted on TRAX trains, in coordination with several partners in the community.

The project seeks to measure pollutants, including fine particulate matter (PM2.5) ozone and greenhouse gases, as well as meteorology using instruments installed on the Utah Transit Authority’s light rail train (TRAX) that travels through the Salt Lake Valley. 

Once again, the world is on a sprint toward a new agreement on global climate change. The last time this happened — in 2009 — the sprint ended in acrimony in Copenhagen. This time, the signs are more auspicious. As someone who has been writing for nearly 25 years about the difficulties of making serious progress on climate change, I am more optimistic today than I have been in a very long time. When governments gather in Paris late this year, I believe they are likely to adopt a watershed strategy for slowing climate change.  

I’m optimistic for two reasons. First, the logic of Paris is new. In the past, governments have tried to negotiate single, massive, and integrated 

A shift in strategy was evident at climate talks in Lima in December, where Peru’s Manuel Pulgar served as conference president.

Let's face it: We are people who consume many of our meals on the go. That means we're not eating on real plates or bowls but out of plastic containers and paper boxes. And perhaps daily, we drink our coffees and sodas out of plastic or plastic-lined paper cups. Overall, Americans recycle at the lamentable rate of 34.5 percent and recycle plastic packaging at the even measlier rate of 14 percent. So the majority of that food packaging is ending up in landfills, or on the street as litter, where it may eventually get swept into the ocean. There, our wrappers and cans and cups become a much bigger problem — a direct threat to marine life that may ingest it and die.

Germany will this year for the first time connect more new offshore wind installations than Britain after energy operators scrapped a string of projects planned for UK waters.

Despite having more installed offshore capacity than the rest of the world combined, the UK’s lack of new wind farms through 2015 means it will now be outstripped by Germany – a nation with access to territorial waters less than a tenth of the size of the UK’s.