The Science of Sustainability

Simran Sethi

Simran Sethi

As the new host of QUEST’s television series, Simran Sethi helps viewers draw connections between science and the sustainability issues that impact our lives, our communities, and the health of our planet. Simran also invites everyone to join her in conversations related to our featured stories via social media and live Google+ Hangouts.

Named “the environmental messenger” by Vanity Fair and a “top ten eco-hero of the planet” by the UK’s Guardian, Simran is the former environmental correspondent for NBC News and has been featured on NBC Nightly News, CNBC, The Oprah Winfrey Show and The History Channel. As a journalist, strategist and educator, she is committed to reporting on environmental issues that include voices from rural and urban communities. Simran is currently writing a book about the loss of agricultural biodiversity in our food. She has been featured on NPR affiliate radio stations and was the host of the Emmy award-winning documentary A School in the Woods. Simran holds an M.B.A. in sustainable business from the Presidio Graduate School and B.A. in sociology from Smith College.

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Simran Sethi's Latest Posts

Should We Modify DNA in Human Embryos?

Should We Modify DNA in Human Embryos?

From KQED Education Do Now: The UK recently voted to authorize mitochondrial DNA modification, which has been dubbed the "three-person embryo" law. Should we modify DNA in human eggs or embryos in order to prevent disease?

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When Should Animals Be Used for Research or Industry Testing?

When Should Animals Be Used for Research or Industry Testing?

From KQED Education Do Now: Animal testing in scientific and commercial research has a long and controversial history. When should animals be used for research or industry testing, if ever?

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Should Cold Sufferers Wear Medical Masks?

Should Cold Sufferers Wear Medical Masks?

From KQED Education Do Now: Every year, millions of Americans come down with a case of the common cold, resulting in many missed days of school and work. Should cold sufferers wear medical masks to help prevent spreading germs? Would you wear one the next time you have a cold?

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What Is Climate Change?

What Is Climate Change?

Explore this QUEST interactive graphic to see major climate zones in the United States and how climate differs from weather.

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Evidence of Global Warming

Evidence of Global Warming

Explore how rising sea levels, increases in ocean heat and melting glaciers indicate a warming planet in this interactive.

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What Are Greenhouse Gases and Where Do They Come From?

What Are Greenhouse Gases and Where Do They Come From?

Explore different types of greenhouse gas, from carbon dioxide to fluorinated gas, in this interactive graphic.

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The Keeling Curve Explained

The Keeling Curve Explained

Explore the Keeling Curve, which has measured CO2 levels in the atmosphere since 1958, in this interactive graphic.

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How Do Greenhouse Gases Work?

How Do Greenhouse Gases Work?

Find out how greenhouse gases trap heat in the Earth's atmosphere with this interactive graphic.

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Water Vapor's Role in Climate Change

Water Vapor's Role in Climate Change

Learn how water and the Earth's climate directly affect each other in this interactive graphic.

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Ocean Acidification and Marine Life

Ocean Acidification and Marine Life

In this interactive graphic, discover how carbon dioxide from the atmosphere mixes with the ocean making it difficult for shellfish to thrive.

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Is It Ethical to Colonize Mars?

Is It Ethical to Colonize Mars?

From KQED Education Do Now: In a mission where the lines between reality and fantasy seem to be blurred, the Mars One team is planning to launch an expedition to establish a human settlement on the red planet. Is it ethical to colonize Mars or other planets?

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Should We Fund Space Exploration?

Should We Fund Space Exploration?

From KQED Education Do Now: Human space travel has long been a subject of fascination and scientific inquiry. Should we fund space exploration, or would the money be better spent elsewhere?

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How Hydropower Dams Work

How Hydropower Dams Work

Hydropower has long been our leading renewable energy resource. Explore how hydroelectric dams work with this interactive graphic.

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How Does Electricity Get to Your Home?

How Does Electricity Get to Your Home?

How does electricity move from a power plant to your home, school or nearby shopping center? Find out in this interactive graphic.

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What Is the Difference Between Power and Energy?

What Is the Difference Between Power and Energy?

Although we often use the words “energy” and “power” synonymously, they are not the same. View this interactive to discover what sets energy and power apart.

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How Nuclear Reactors Work

How Nuclear Reactors Work

Do you know how nuclear energy is created? Learn about the steps involved in generating electricity from uranium atoms in this interactive graphic.

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Energy and Electricity: From Source to Use

Energy and Electricity: From Source to Use

Energy can’t be transferred with 100 percent efficiency. This infographic explains how we “lose” energy as it moves from the source—coal—to becoming electricity in our homes.

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How Solar Power Works

How Solar Power Works

How is energy from the sun collected and used to generate electricity? Find out in this infographic.

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How Is Waste Converted into Energy?

How Is Waste Converted into Energy?

Electricity can even be generated from our garbage. See how a waste-to-energy facility works with this interactive graphic.

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How Is Energy Measured?

How Is Energy Measured?

Explore units of energy–from the calorie to the joule—with this infographic.

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