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The Waste-to-Energy plant “Amager Bakke” in Copenhagen, Denmark. Photo credit Niels Quist/Alamy stock photos. Most people do not enjoy talking, or reading, about garbage. For one thing, it’s boring. But it’s also disturbing: garbage imposes great costs on our economy and our society. The biggest problem is simply the amount of garbage we produce. For… Continue Reading

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Blue-green algae on western Lake Erie on September 26, 2017. The border between the United States and Canada runs down the centre of the lake. Landsat 8 image. Source:¬†http://spaceref.com/onorbit/orbital-view-of-algal-blooms-in-lake-erie.html The natural ¬†history of Lake Okeechobee, at 730 square miles the largest lake in Florida, is intimately entwined with that of the surrounding Everglades. Before the… Continue Reading