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Published news and blog articles, organized by category. Browse older coverage by month or search for a topic. Undated blog guides appear after dated news.
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Desertification explained: the ideas that matter
A clear explanation of desertification separates drought from degradation, vegetation from land function, satellite signals from ground truth, and ecological repair from social justice.
How desertification works
Desertification is the interacting loss of land productivity in drylands, where climate variability, vegetation, soil, water, and human decisions can reinforce one another.
How soil ecosystems work
Soil ecosystems run on exchanges among roots, microbes, animals, minerals, water, and air: a hidden network that turns dead material into new growth while shaping the ground itself.
How the jet stream works
The jet stream is a fast, high-altitude current created by temperature contrasts, pressure gradients, and Earth’s rotation—and its waves help steer weather below.
Soil ecosystems explained: the ideas that matter
To understand soil ecosystems, keep four ideas together: living communities, physical structure, cycling matter, and nested scales that connect a pore to a landscape.
The engineering challenge behind desertification
Preventing and reversing desertification is a systems-engineering challenge: interventions must work with water, soils, ecology, livelihoods, governance, and uncertainty at once.
The engineering challenge behind soil ecosystems
Managing soil is an engineering problem with biological constraints: keep pores connected, water available, nutrients cycling, and disturbance within the recovery capacity of a living system.
The engineering challenge behind the jet stream
Working with the jet stream is an engineering problem in prediction and adaptation: the flow is fast, three-dimensional, incompletely observed, and coupled to the weather and systems below it.
The hidden history of desertification
The history of desertification is also a history of maps, colonial categories, scientific debates, local knowledge, and changing ideas about what dryland stewardship should achieve.
The hidden history of soil ecosystems
The history of soil ecosystems is a story of changing landscapes, farming, scientific categories, and instruments that gradually made underground life visible.
The hidden history of the jet stream
The jet stream has a longer history than its familiar name: balloon observations, aviation, forecasting institutions, and satellites gradually turned an invisible flow into a public weather object.
The jet stream explained: the ideas that matter
A clear jet-stream explanation keeps several ideas distinct: the fast core, the wave pattern, the temperature contrast, the polar vortex, and the difference between a forecast line and a weather outcome.
What desertification teaches us about the world
Desertification reveals a general systems lesson: environmental change is produced through feedback among climate, ecology, infrastructure, institutions, and unequal choices.
What soil ecosystems teach us about the world
Soil ecosystems offer a general lesson in how the world works: stability is assembled from relationships, feedback, history, and many small processes that remain easy to overlook.
What the jet stream teaches us about the world
The jet stream offers a lesson in connected systems: an invisible, shifting flow links weather, travel, energy exchange, infrastructure, and the limits of prediction.
El Niño and La Niña explained: the ideas that matter
The essential ENSO ideas are simple enough to teach and subtle enough to misuse: anomaly, feedback, teleconnection, timescale, and probability are the vocabulary for reading the pattern without turning it into a slogan.
How El Niño and La Niña work
El Niño and La Niña are not isolated weather events but phases of a coupled Pacific system, where winds, warm water, pressure, and distant weather patterns push one another around the planet.
How monsoons work
A monsoon is not simply a season of heavy rain. It is a continent-scale circulation that reverses with the seasons as land, ocean, pressure, and moisture trade roles.
How permafrost works
Permafrost is ground that stays at or below freezing for at least two years, but its behavior depends on seasonal thaw, ice, water, soil, microbes, and the heat moving through a changing landscape.
Monsoons explained: the ideas that matter
Five ideas organize the subject: seasonal reversal, pressure gradients, moisture transport, feedback, and variability. Together they explain why monsoons are predictable in outline but uncertain in detail.
Permafrost explained: the ideas that matter
The clearest way to understand permafrost is to separate the definition, the active layer, the ice, the carbon, the landscape response, and the human systems that depend on frozen ground.
The engineering challenge behind El Niño and La Niña
Forecasting ENSO is an engineering problem as much as a scientific one: the observing system must sample a moving ocean, the models must couple different physics, and decisions must remain useful before uncertainty disappears.
The engineering challenge behind monsoons
Designing for monsoon regions means engineering with a variable water machine: intense pulses, long dry intervals, shifting rivers, saturated ground, and uncertain extremes.
The engineering challenge behind permafrost
Building on permafrost means managing a ground-temperature problem as well as loads, water, ice, settlement, maintenance, and uncertainty—because a foundation can change the frozen system it depends on.
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