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By the Numbers

Hannah Ritchie

Using data and research to understand what really makes a difference

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Substack
PricingOnly free issuesPublishesWeekly
Issues165Founded4 years agoLast Issue12 days ago
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Latest Issues

The UK needs to build more reservoirs

The UK has had an extremely dry summer. Look at photos online, and you’ll see the traditionally green parks looking like hay.

Just how dry have things been?

Look at data since the 1800s, and rainfall in England in July was the lowest on r...

12 days ago
176
37

Tracking global food production through a record El Niño

This summer has been a hot one for many countries. With an extremely strong (and potentially record-breaking) El Niño on the way, next year is likely to be even hotter. If you’re interested, Zeke Hausfather at the Climate Brink has a very g...

16 days ago
146
14

Is Europe having a bad wildfire year?

Over the last week, this chart of wildfire burn in Europe has been doing the rounds on social media and traditional media outlets. Carbon Brief goes through some of this coverage here.

The underlying narrative is that Europe is having its...

a month ago
296
35

Thailand’s population has already peaked

My colleague, Edouard Mathieu, recently created an interactive map showing when the populations of countries around the world are expected to peak. This is based on historical estimates and the UN’s medium projections (which we can endlessl...

a month ago
159
31

My book — Clearing the Air — is coming out in paperback in September

Last September, my second book — Clearing the Air — was published in the UK in hardback. It has been published in various markets, including the US and Canada, since.

In just over a month — on 3rd September — the paperback version will com...

a month ago
115
18

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