Word: ecosystems
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...nitrogen cycle, where industrialized agriculture already has humanity pouring more chemicals into the land and oceans than the planet can process, and for wildlife loss, where we risk biological collapse. "We can say with some confidence that Earth cannot sustain the current rate of loss without significant erosion of ecosystem resilience," says Rockstrom...
...focusing too much on the upper limits, we still risk harming Earth. "Ongoing changes in global chemistry should alarm us about threats to the persistence of life on Earth, whether or not we cross a catastrophic threshold any time soon," writes William Schlesinger, president of the Cary Institute of Ecosystem Studies, in a commentary accompanying the Nature paper...
...also reduced. Dangerous wild-dog packs that feed on dead livestock have also flourished without competition from the birds, says Todd Katzner of Pittsburgh's National Aviary, leading to a new surge of rabies, particularly in Mumbai. "People don't realize what a key role vultures play in the ecosystem," says Aversa. "[They] prevent disease and recycle...
...rally folks to save these prickly feathered birds with bumpy, bald heads, portly physiques and a tendency to be knee-deep in rotting flesh. "People look at vultures and see an ugly bird," Aversa says. "We will try to change attitudes and raise awareness of these scavengers in the ecosystem...
...working with electric utilities, private organizations and all levels of government to set up networks of charging stations. The effort isn't limited to Japan: Nissan has formed 27 partnerships around the world to clear the way for EVs. "They know people are going to need [an electric-vehicle ecosystem] and it's got to be part of the package," says Chris Richter, senior research analyst for CLSA, a Hong Kong-based brokerage. "Nissan is pulling together the whole package of subsidies, charging, recycling of batteries - the whole kit." (See the 12 most important cars of all time...