Up to now, the Earth has been very kind to us. Most of our achievements in the past 10,000 years - farming, culture, cities, industrialisation and the raising of our numbers from a million or so to almost 7 billion - happened during an unusually benign period when Earth's natural regulatory systems kept everything from the climate to the supply of fresh water inside narrow, comfortable boundaries.

This balmy springtime for humanity is known as the Holocene. But we are now in a new era, the Anthropocene, defined by human domination of the key systems that maintain the conditions of the planet. We have grabbed the controls of spaceship Earth, but in our reckless desire to "boldly go", we may have forgotten the importance of maintaining its life-support systems.

www.newscientist.com/special/ocean-to-oz...life-support-systems

Do you agree with this? Are there 'planetary support systems' you think they have missed?

I appreciate the concern which is been rose. The things need to be sorted out because it is about the individual but it can be with everyone.
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Travel World Network

earth's nine world information,The ozone hole that formed in the stratosphere over Antarctica in the 1970s was a classic example of an environmental tipping point. Ozone-destroying chemicals built up in the frigid stratosphere until they are abruptly - and unexpectedly - caused the ozone layer over the Antarctic to shift into a new state, with ozone all but absent in the spring. Nobody saw it coming, as nobody understood at the time that the chemistry of polar stratospheric clouds makes ozone-destroying chemicals more potent, leading to runaway ozone destruction.support systems are most view earth.