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In Silicon Valley, a Rogue Plan to Alter the Climate

Carbon Dioxide Entrepreneurship Geoengineering Global Warming Greenhouse Gas Emissions Science and Technology Start-ups Sulfur and Sulfur Compounds Sun

In Silicon Valley, a Rogue Plan to Alter the Climate

A pair of restless entrepreneurs are releasing pollutants in the sky to try to cool the planet.

By David Gelles and Ian C. Bates

Could Altering Ocean Chemistry Help Slow Global Warming?

Carbon Capture and Sequestration Carbon Dioxide Chemistry Earth Environment Fish and Other Marine Life Geoengineering Global Warming Greenhouse Gas Emissions Oceans and Seas Research Science and Technology Start-ups Water

Could Altering Ocean Chemistry Help Slow Global Warming?

By tweaking the chemistry of rivers and oceans, humans could remove billions of tons of carbon dioxide from the air. But huge challenges loom.

By Brad Plumer Raymond Zhong and Greta Rybus

Could Altering Ocean Chemistry Help Slow Global Warming?

Carbon Capture and Sequestration Carbon Dioxide Chemistry Earth Environment Fish and Other Marine Life Geoengineering Global Warming Greenhouse Gas Emissions Oceans and Seas Research Science and Technology Start-ups Water

Could Altering Ocean Chemistry Help Slow Global Warming?

By tweaking the chemistry of rivers and oceans, humans could remove billions of tons of carbon dioxide from the air. But huge challenges loom.

By Brad Plumer Raymond Zhong and Greta Rybus

Women Entrepreneurs Are Hitting a Funding Wall

Diversity Initiatives Entrepreneurship Start-ups Venture Capital Women and Girls

Women Entrepreneurs Are Hitting a Funding Wall

For women starting new businesses, early funding from venture capital firms led by other women are vital. But few are large enough to lead subsequent rounds of financing.

By Nell Gallogly