As the fate of the Earth system becomes ever more intertwined with human systems, “thinking in systems” has become more essential than ever. I’ve read books on systems theory (e.g. Allen & Hoekstra 1993), but a refresher is always good, so when I came across Thinking in Systems: A Primer by Donella Meadows (Amazon recommends!), I thought- here’s a great […]
“Large amounts of energy will be required to fuel economic growth, increase standards of living, and lift developing nations out of poverty.” (Brown et al., 2011; see Figure at left). A key message from Brown et al. in their must-read empirical and theoretical summary of relationships between energy and economic development. The paper reveals a hard fact of human systems: […]
Human populations grow until they overshoot their carrying capacity and collapse. Game over. Thank you Malthus! (1798; and Ehrlich 1968). Not so fast! There’s something wrong with this story: it almost never happens. Human populations do collapse – but not because of population growth itself; collapses are most commonly related to disease, climate change or societal failures (eg. Zhang et […]
What kind of biosphere do you want? Great question! And great to see it connected with beautiful prize-winning graphics at visualizing.org. But on thinking further, it seems clearer than ever that the inspiration behind this- the Planetary Boundaries concept, is going completely in the wrong direction. I had my reservations about the original planetary boundaries work- now these graphics concern […]
“We cannot expect nature to remain in a constant condition and thus provide us with a simple solution to the questions of what is “natural” and what is desirable.” (Botkin 1990, p 181) . Just one of many great thoughts in Daniel Botkin‘s 1990 classic: Discordant Harmonies: a New Ecology for the Twenty-first Century. I’d seen Botkin’s Environmental Science textbook, […]
What happens when humans finally win the war with nature and end up in charge of ecology? A question for the future? Think again. In “Peak Wood: Nature Does Impose Limits”, John Perlin describes what happens when human societies, starting in prehistory, have completely transformed their ecosystems and ultimately themselves, by clearing away forests to improve hunting and gathering, for […]
Now that we’re busy hacking the planet, we need all the help we can get. We humans are pretty good at solving complex problems like choosing the next move in chess- better than most machines. But as Gary Kasparov notes in Clive Thompson’s Wired piece on the Cyborg Advantage, “a weak human with a machine can be better than a […]
“Cities are green. Nuclear energy is green. Genetic engineering is green. (Brand 2009).” In 1968 Stewart Brand‘s Whole Earth Catalog was embraced by a generation trying to get back to the country, get off the grid, and grow their own. Now it’s 2010, and the quote above, from Brand‘s new book, Whole Earth Discipline: An Ecopragmatist Manifesto (2009) makes clear […]
With carbon, climate and COP 15 in the news, Google and Microsoft are now battling over carbon mindshare, introducing the latest web-based “Carbonware” designed to help combat carbon emissions and global warming. These add to a growing list that includes the many “carbon footprint calculators” designed to enlighten us on our carbon emissions and the activities we undertake that cause […]
“How do we feed a growing world without destroying the planet?” asks Jon Foley’s new 3 minute video (see below). It’s a great question. To get enough food for our existing billions, we already use about 40% of Earth’s ice-free land to produce crops and livestock. And we are using this land more intensively all the time, using up more […]
Our planet is heating up in a hurry! Call in the Earth doctors! Let’s fix the planet! Now that we’ve pushed Earth systems out of the comfort zone, Earth and environmental scientists are increasingly being called on to address the big questions that affect all of us, like “How can we keep the planet habitable for humans?”. While the simple […]
Are humans pushing earth systems towards environmental catastrophe? Or are we just worrying needlessly about the novel state of the earth that we have now created? Or both? In a Nature Feature entitled “A safe operating space for humanity” a team of scientists affiliated with the Resilience Alliance proclaim that “To avoid catastrophic environmental change humanity must stay within defined […]