An anonymous reader quotes a report from CBC.ca: More than 15,000 scientists around the world have issued a global warning: there needs to be change in order to save Earth. It comes 25 years after the first notice in 1992 when a mere 1,500 scientists issued a similar warning. This new cautioning -- which gained popularity on Twitter with #ScientistsWarningToHumanity -- garnered more than 15,000 signatures. William Ripple of Oregon State University's College of Forestry, who started the campaign, said that he came across the 1992 warning last February, and noticed that this year happened to mark the 25th anniversary. Together with his graduate student, Christopher Wolf, he decided to revisit the concerns raised then, and collect global data for different variables to show trends over the past 25 years. Ripple found: A decline in freshwater availability; Unsustainable marine fisheries; Ocean dead zones; Forest losses; Dwindling biodiversity; Climate change; Population growth. There was one positive outcome, however: a rapid decline in ozone depletion. One of the potential solutions is to stabilize the population. If we reduce family size, consumption patterns don't rise as much. And that can be done by empowering girls and women, providing sexual education and education on family planning.
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