Bill McKibben

Sep. 19, 2014

The People's March Against Climate Change

Ahead of the United Nations Climate Summit, the People’s Climate March in New York City will bring a public voice to the climate change discussion.

climate march, bill mckibben, peter democal

Sep. 17, 2010

No Return for Solar at 1600

Recently, Bill McKibben discussed an effort to return Carter-era solar panels to the White House. We'll get a report from him on his efforts.

solar, mckibben

Sep. 03, 2010

Environmentalism Today

What does it mean to be an environmentalist today? Has the environmental movement grown too accommodating with the passage of time?

environment, green, earth

Apr. 16, 2010

Earth Day and the Environment

Next week marks the 40th anniversary of Earth Day. Has it made a difference?

environment, earth, earth day, planet

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Michael Pollan Talks Plants and Food

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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