![]() ![]() ![]() Energy use is also subject to variables such as the source of raw materials, the location of manufacturing and processing, how long a product is used and the final disposal method. In any LCA, the total environmental impact also depends on how efficient each process is, and how many protective environmental measures are implemented at every stage. This includes extracting the raw materials, refining them, manufacturing the product, packaging it for shipment, transporting and distributing it, its use and possible reuse, recycling and final disposal. A life cycle analysis (LCA) looks at how much energy is used and how many environmental impacts a product is responsible for at every stage of its life, from cradle to grave. To understand the full spectrum of impacts and benefits of a particular bag, we need to analyze its life cycle. ![]() Given the concerns pulling us in different directions-our health, the environment, climate change-what’s an environmentally responsible, health-conscious shopper to do? Let’s compare the main bag choices-plastic, paper and cotton-to try to answer that question. New Hampshire, Massachusetts, Oregon and Maine have also banned reusable bags or delayed their plastic bag bans for now as have a number of cities. And despite the fact that California was the first state to ban plastic bags in 2014, San Francisco has reversed its plastic bag ban because of the coronavirus, outlawing the use of reusable shopping bags, which are capable of spreading viral and bacterial diseases. March 1 was also the day that New York acknowledged its first coronavirus case. On March 1, New York State instituted its plastic bag ban, joining seven other states in an attempt to lessen litter, garbage in landfills, ocean pollution, and harm to marine life. ![]()
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