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Rescooped by Suvi Salo from GLOBAL GLEANINGS: Culling Content on Global Education, Diversity, Sustainability, and Service.!

The 9 limits of our planet ... and how we've raced past 4 of them

The 9 limits of our planet ... and how we've raced past 4 of them | Navigate |

In a startling January 2015 paper in Science, Johan Rockström says humanity has already raced past four of the nine boundaries keeping our planet hospitable to modern life. The climate is changing too quickly, species are going extinct too fast, we’re adding too many nutrients like nitrogen to our ecosystems, and we keep on cutting down forests and other natural lands. And we’re inching towards crossing the remaining five boundaries.


Via Kenneth Mikkelsen, Ivon Prefontaine, Dean J. Fusto
Kenneth Mikkelsen's curator insight, March 16, 3:41 PM

Is it worth undermining the Earth system to create vast benefits for this generation, assuming the next generation will be more innovative?

Ivon Prefontaine's curator insight, March 16, 10:08 PM

We only have one planet.




Sustaining Seven Billion People

Sustaining Seven Billion People | Navigate |

"With seven billion people now living on Earth, the ever growing demand is putting unprecedented pressure on global resources—especially forests, water, and food. How can Earth’s resources be managed best to support so many people? One key is tracking the sum of what is available, and perhaps nothing is better suited to that task than satellites."


Via Seth Dixon, Mike Busarello's Digital Storybooks
Daniel LaLiberte's curator insight, July 6, 2014 12:09 PM

Such studies of the agriculture around the world are essential. The way we are doing agriculture to support seven billion people now, peaking at 9-10 billion in another 60 years, it is clear that we are putting severe strains on the environment.  But we have grown lazy, and we are doing it all wrong.


We CAN drastically reduce the amount of meat we consume, and thus quickly reduce the amount of arable land we need.  We CAN grow plants in ways that actually sequester more carbon and improve the soil it over time rather than erode and degrade.  And we CAN in fact grow all the food we need in the space we live in, thus enabling us to recycle all the water used as well, which is mostly just lost in evaporation. 

Tom Cockburn's curator insight, July 13, 2014 5:52 AM

Vital debate for the future

MsPerry's curator insight, August 12, 2014 7:44 PM