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At the Howland Research Forest, carbon and other greenhouse gas measurements are continuously recorded from the top of several meteorological towers that soar above a lush canopy of spruce, hemlock and white pine.
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A growing number of Maine groups are trying to waste less food — and when not possible, to dispose of their leftovers in better ways. While many of those recovery efforts involve composting or donating to food banks, perhaps the biggest takes a different approach: mixing the food with cow manure and microbes to make electricity.
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Medium and heavy-duty trucks account for roughly a quarter of all transportation-related emissions in the U.S. They are the second largest emitter in the transportation sector, behind passenger vehicles. And while Maine has set concrete goals for introducing smaller electric vehicles into the marketplace, the road ahead is more uncertain for large commercial trucks.
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Maine has a shortage of at least 20,000 affordable homes. But traditional building is expensive, time-consuming and a major contributor of carbon emissions. The University of Maine believes it has a solution that could eventually help.
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Battery storage is one part of a massive electrification project that will be increasingly critical as the nation weans itself from the fossil fuels that are the biggest drivers of climate change.
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A former U.S. congressman who worked at the East Millinocket mill for decades has emerged as the biggest cheerleader of the site's redevelopment.