Evidence of impending tipping point for Earth

Evidence of impending tipping point for Earth
A group of 22 scientists worldwide argue that the Earth is frighteningly close to a tipping point that would send the globe irreversibly into a state that could spell disaster for humans. The group note that human pressures and climate change can irreversibly change local ecosystems. The fear is that Earth faces planet-wide change that will disrupt global animal and plant communities as well as water and food supplies.

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