Our excrement is a natural, renewable and sustainable resource – if only we can overcome our visceral disgust of it
Lina Zeldovichaeon.co
Saved by Sarah Drinkwater and
Our excrement is a natural, renewable and sustainable resource – if only we can overcome our visceral disgust of it
Sustainability + Human DevelopmentIs the food we eat scalable, sustainable, healthy, nutritious and tasty? Is the air we breathe clean?Is the water we drink pure?Is there a way to produce energy that is relatively abundant, cheap and clean?Is there a way to reverse or mitigate climate change?Can we create a livable habitat on another planet?Can we ... See more
Jay Zaveri • World's Hardest Problems
The list of these critical biospheric boundaries includes nine categories: climate change (now interchangeably, albeit inaccurately, called simply global warming), ocean acidification (endangering marine organisms that build structures of calcium carbonate), depletion of stratospheric ozone (shielding the Earth from excessive ultraviolet radiation
... See moreVaclav Smil • How the World Really Works: The Science Behind How We Got Here and Where We're Going
And how will we deal with unfolding climate change? There is now a widespread consensus that we need to do something to prevent many highly undesirable consequences, but what kind of action, what sort of behavioral transformation would work best? For those who ignore the energetic and material imperatives of our world, those who prefer mantras of g
... See moreVaclav Smil • How the World Really Works: The Science Behind How We Got Here and Where We're Going
a large share of humanity lives in conditions that the affluent minority left behind generations ago, and because the growing demand for energy and materials has been stressing the biosphere so much and so fast that