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Artwork for Sustainability by numbers

Sustainability by numbers

Hannah Ritchie

Using data and research to understand what really makes a difference

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues103SubscribersRead sustainabilitybynumbers.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Vertical farming: a local solution for greens, but not feeding the world any time soon

Vertical farming — growing crops indoors, on stacked layers — is a solution that I really want to see succeed. See the figure below, which provides a summary of the pros and cons.1

10 days ago
107
35

What’s the impact of artificial intelligence on energy demand?

Artificial intelligence (AI) has been, by far, the most-requested topic over the last year.

a month ago
159
36

Low-carbon tech needs much fewer materials than it used to; this matters for resource extraction in the future

The concept of a “circular economy” has always sounded nice and aspirational: running an economy on refurbished and recycled materials so that the amount of new materials you need to extract is close to zero.

a month ago
152
45

Launching a new podcast on climate solutions

Over the last couple of months, I’ve teamed up with Rob Stewart and a fantastic producer to do a bit of a trial run with a new podcast focused on climate solutions: “Solving for Climate”.

a month ago
107
8

Authors

The writers behind this newsletter.

  • Hannah Ritchie
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