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Hari Viswanathan

Photos of calcite crystals in a basalt core.
Posted inEditors' Vox

Turning Carbon into Stone: Unlocking Mineralization in Fractured Rock

by Haylea Nisbet and Hari Viswanathan 29 January 202529 January 2025

Carbon mineralization is a promising solution for mitigating greenhouse gas emissions, but we must learn to optimize the complex interplay between reactions and mechanics in fractures to develop a scalable solution.

Illustrations showing the uses of fractures in the subsurface.
Posted inEditors' Vox

Understanding and Utilizing the Fractured Earth

by Hari Viswanathan and Jeffrey Hyman 26 April 20222 August 2022

The prediction of flow and transport in fractured rock is one of the great challenges in the Earth and energy sciences with far-reaching economic and environmental impacts.

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

The Uncertain Fate of the Beaufort Gyre

13 May 202513 May 2025
Editors' Highlights

Beyond Up and Down: How Arctic Ponds Stir Sideways

13 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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