Joined March 2008
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3 Dec 2025
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Jeff Clark retweeted
Jun 3
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Jeff Clark retweeted
May 19
Thanks to feedback from @JeffClark, here's rivers and subbasins of the Great Lakes, take two. I'd mistakenly excluded Canadian lakes in my earlier render. Also took the opportunity to add more rivers.
#rayshader adventures, an #rstats tale
ALT A visualisation of the rivers and subbasins of the Great Lakes
May 18
Rivers and subbasins of the Great Lakes.
#rayshader adventures, an #rstats tale
ALT A visualisation of the rivers and subbasins of the Great Lakes
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Jeff Clark retweeted
May 16
China added a Germany-sized electricity grid last year—
(This Data Insight was written by @_HannahRitchie and Pablo Rosado.)
We’ll often see headlines quoting how many gigawatts of new solar farms or coal plants China is building. But it’s hard to get a meaningful sense of scale for how electricity generation in China is changing.
The chart puts it in perspective.
In 2025 alone, China’s electricity generation increased by almost 500 terawatt-hours (TWh). This is compared here to the total amount of electricity that whole countries generate each year.
Germany generates almost exactly that amount. That means China effectively added a Germany-sized grid to its electricity system in just one year.
What’s also quite staggering is that almost all of this new generation came from solar and wind. China generated 340 TWh more electricity from solar than the year before.
That’s more than our two home countries, the UK and Spain, generate from all sources each year.
Low-carbon sources grew so much that coal power in China actually fell slightly.
ALT Bar chart of the change in China’s electricity generation from 2024 to 2025 compared to the annual electricity generation of other countries, where China’s 2025 increase is about 497 TWh—mostly from solar (340 TWh) and wind (140 TWh)—roughly the size of Germany’s annual generation and larger than countries like South Africa, Italy, Australia, Spain, and the UK (240 to 290 TWh) but smaller than France (570 TWh) and Brazil (750 TWh). Source: Ember (2026). License: CC BY.
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Apr 15
I'm back from a wonderful trip to Costa Rica.
Picture below taken with my old cellphone camera on a night hike.
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