Botanical Review Archives

A cluster of Azolla filiculoides plants.

Azolla filiculoides: Balancing Environmental Promise and Peril

One of the world’s tiniest fern species, Azolla filiculoides may be one of our greatest tools for lowering agricultural pollution and greenhouse gas emissions.

A solar-panel equipped ship moves down the Amazon River

Science & Technology

Can Sustainable Travel in the Amazon Help Reduce Forest Fires?

A rainforest evangelist hopes that Brazil’s 55-million year old jungle can survive 21st century human impact.

Orange and rust autumn leaves, illustrated

Plants & Animals

Why Do Leaves Change Colors in the Fall?

Why do leaves change colors in fall?

Editors' Picks

Science & Technology

Convincing Peasants to Fly in the Soviet Union

With air-minded films, poems, and demonstrations, Soviet leaders sought to lift peasants out of their “backward” lives and into the world of the modern proletariat.

Politics & History

The Trouble with Reentry

Reentry of space junk in the 1970s forced First Nations communities into a reckoning with Cold War geopolitics and a burgeoning envirotechnical disaster.

Politics & History

Iran’s Protest Culture

A succession of authoritarian regimes birthed a strong tradition of collective action.

Arts & Culture

Tyler S. Sprague on the Intersection of Structure and Design

An interview with Tyler S. Sprague, a historian of the built environment whose work depends on multidisciplinarity and a deep knowledge of structure and materials.

Politics & History

How to be a Modern Autocrat

In the twenty-first century, dictators are less likely than their predecessors to use violence to suppress dissent, cultivating instead “informational autocracies.”

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