It's estimated that about 100,000 koalas remain in the wild as urbanization envelops their habitats along the Australian east coast. Although Australia recently put the marsupial as "vulnerable" on its endangered species list, advocates say the status doesn't give the animals maximum protection.
To avoid the crowds at Niagara Falls, why not sail the Great Pacific Garbage Patch, or ogle oil refineries in Port Arthur, Texas? In Visit Sunny Chernobyl: And Other Adventures In The World's Most Polluted Places, Andrew Blackwell describes traveling to the world's most contaminated destinations.
What is the role of humans in climate change? "Call me a converted skeptic," physicist Richard Muller wrote in an Op-Ed in the New York Times this week, describing his analysis of data from the Berkeley Earth Surface Temperature project. Though Muller was once a notable skeptic regarding studies connecting human activity to climate change, he has now concluded that "humans are almost entirely the cause" of global warming.
In this month's environmental outlook, as worldwide demand for air conditioning is growing, so is concern over how increased use will contribute to global warming. The search for a cleaner way to cool.
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