nitrous oxide

Book review – Life in the Cosmos: From Biosignatures to Technosignatures

8-minute read

Are we alone in the universe? For the moment, this question remains unanswered, though there are many ways to tackle it. Just how many was something I did not appreciate until I sunk my teeth into Harvard University Press’s new flagship astronomy title Life in the Cosmos. Written by astrobiologist Manasvi Lingam and theoretical physicist Abraham “Avi” Loeb, this is a book of truly colossal proportions, clocking in at over 1000 pages. It boldly goes where few academic books have gone before by seriously and open-mindedly considering the possibility of extraterrestrial technological intelligence on par with, or far beyond humans. I found myself gravitating towards this book on account of more than just its size.

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Book review – Planetary Accounting: Quantifying How to Live Within Planetary Limits at Different Scales of Human Activity

7-minute read

What I am about to write is probably going to upset many people, but… I am growing frustrated with the narrative of much of the environmental movement. Taking to the streets to protest and demand change, to “do something!”, is all fine and dandy, but it is also a bit hypocritical. It fosters a narrative in which the onus is always on others and it begs the counter-question: “what are you willing to give up?”. That is the hard question.

There, I said it. You have the option to stop reading now.

In all seriousness, if we want to avert dangerous climate change or allow forests to recover from deforestation, how much change is enough? How much are we allowed to consume? Planetary Accounting will not offer you final prescriptive answers, but it is an important first step in quantifying per capita quota for what each of us can consume and pollute without it costing the planet.

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