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Isometric sketch of simplified gyrotron at the top of a well casing that contains a central wave guide tube, surrounded by space for purge gas
Hope

Gyrotron Well Drilling for Deep Geothermal Energy

Bit-less deep-well drilling teases the prospect of terawatts of clean energy.
06 Jan 2026 4 min read
No Cartoon Escape Hatch
Members only
Opinion

No Cartoon Escape Hatch

30 Dec 2025 6 min read
O Hauling Night
Climate Change Featured

O Hauling Night

Do you recall the most energy-intensive task of them all?
23 Dec 2025 7 min read
Operators in a fantastically complex Chernobyl control room.
Members only
Energy

Nuclear Power - Part 1

16 Dec 2025 7 min read
Large white battery-electric rail locomotive, mounted on a large road trailer with dozens of wheels
Electricity

No One Said It Would Be Easy

An Australian mining company's first attempt to build an entirely gravity-powered ore train doesn't quite work (yet), but we shouldn't be discouraged.
09 Dec 2025 4 min read
Extinction Exits
Extinction

Extinction Exits

How species get out of deep trouble. Part 2 of a series on extinction.
02 Dec 2025 6 min read
Two Copper Pieces

Two Copper Pieces

Two articles on the same topic: copper. One quick and easy, one deep and detailed.
25 Nov 2025 1 min read
Gleaming copper tubes in a perspective shot with a shallow depth of field. Very artsy.
Materials

Copper: The Shorter Story

The Earth has a lot of copper, which is good because we're going to need it. But we also need to get better at extracting it in environmentally safer ways.
24 Nov 2025 5 min read
Many coiled and twisted bundles of bare, shiny copper wire, ready for recycling
Paid-members only
Materials

Copper: The Longer Story

24 Nov 2025 11 min read
Aerial photograph of new modern cargo ship with two sets of vertical sails, in bright sunshine and blue water
Hope

Sail-Powered Cargo Ships Scale Up

A new, much-bigger addition to the world's fleet of hybrid sail/diesel-powered commercial cargo ships.
18 Nov 2025 2 min read
Opinion

Facts, Opinions, and the Space Between

Opinions are like socks.
11 Nov 2025 2 min read
Photo of the orignal Geysir in Iceland erupting with a hot water fountain about 20 metres high
Energy

Geothermal vs Ground-Source Energy: What’s the Difference?

Lots of naturally-occurring (low-carbon) heat is underground. Using it to generate electricity and provide heat for our buildings and processes is becoming more common.
04 Nov 2025 8 min read
The Long Way Home
Extinction

The Long Way Home

When a beloved species moves back from near-extinction, we feel joy. But this is the Anthropocene, when many more species are threatened than are saved every year. Part 1 in a series on extinction.
28 Oct 2025 5 min read
Four thinhorn sheep resting on arctic ground squirrel burrow mounds, with an arctic ground squirrel standing sentry in front of one sheep
Carbon

Ecosystem Engineering: How Animals Positively Shape Their Environments

Animal ecosystem engineers modulate the availability of resources to themselves and other species by improving ecosystem structure and function, in the process consistently sequestering and storing more carbon.
21 Oct 2025 8 min read
Keep Up the Measurement Pressure
Members only
Opinion

Keep Up the Measurement Pressure

14 Oct 2025 6 min read
https://stockcake.com/i/shadows-within-shadows_1566998_1188491
Members only
Opinion

Light Must Oppose Darkness

08 Oct 2025 5 min read
Side-on photo of second generation grey-green Nissan Leaf parked in a field
Hope

EVs Deliver Lowest Lifecycle Carbon Footprint Everywhere

Cradle-to-grave GHG emissions of light duty electric vehicles are lower than all forms of their internal combustion-engined equivalents, no matter the region
30 Sep 2025 3 min read
Clever chemistry of this new cement is a cool idea, literally
Materials

Cooler Cement

Changing the surface microstructure of cement reduces concrete's contribution to global warming by keeping structures cooler
23 Sep 2025 3 min read
The Business of Climate Change: A Solar Success Story
Hope

The Business of Climate Change: A Solar Success Story

Solar power is here to stay
16 Sep 2025 4 min read
Dome of The Pantheon in Rome. (Staff C photo.)
Hope

One New Way of Making Low-carbon Cement

Even cement production can be electrified, for a 90% reduction in GHGs
09 Sep 2025 2 min read
A green football (or, in North America, a green soccer ball).
Hope

Climate for the win!

The Vermont Greens FC won their 2025 national championship. Why it matters for climate change.
02 Sep 2025 2 min read
Visually-spectacular night launch of the Ariadne 6 rocket on August 12th. A tower of flame lights up clouds of vapour. Can this really help the environment?
Science

Sentinel 5 ... Away!

The new spectroscopic instrument Sentinel-5A launched on August 12, 2025. It's ready to help us understand what's going on in our atmosphere.
26 Aug 2025 4 min read
We're trying something different.

We're trying something different.

Some of the topics we deal with are deep. And sticky.
22 Aug 2025 2 min read
A montage of marketing images for different portable power stations with capabilities of up to four kilowatt-hours. See footnote 2.
Electricity

Kilowatt Batteries. OMG!

Sophisticated and useful energy-dense "personal power stations" have quietly come to market. They are impressive.
22 Aug 2025 4 min read
Photo of the low sun just above a small treed island in a calm sea, the whole mostly obscured by thick fog
Paid-members only
Greenhouse Gases

The Greenhouse Gas No One Talks About

21 Aug 2025 11 min read
Page 1 of 5 Older Posts →
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