Extreme weather sometimes happens in very specific areas thanks to extreme surface temperature differences.

In the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics.

Start your Permaculture Design by mapping the microclimates. Join Andrew Millison in Portland, Oregon to film the urban permaculture garden and green roof of Marisha Auerbach. Marisha has been developing this site for ten years along...

A short film telling the story of the Shenandoah salamander, an endangered species endemic to Shenandoah National Park. This specific version is edited for use by elementary school students.

Rip Current Warning Sign on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Caribbean Beach in Costa Rica on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Banana Plant in the Costa Rican Rain Forest at Refugio Nacional Gandoca-manzanillo on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Rain Forest at Refugio Nacional Gandoca-manzanillo on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Rain Forest at Refugio Nacional Gandoca-manzanillo on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Rain Forest at Refugio Nacional Gandoca-manzanillo on December 14, 2012 in Manzanillo, Costa Rica (Footage by Getty Images)

Aug.03 -- James Rogers, Apeel Sciences chief executive officer, explains why the company's technology will help update the produce aisle at the grocery store. He spoke with Bloomberg's Emily Chang on the Aug. 2 episode of "Bloomberg...

Aug.05 -- James Rogers, Apeel Sciences chief executive officer, explains why the company's technology will help update the produce aisle at the grocery store. He spoke with Bloomberg's Emily Chang on the Aug. 2 episode of "Bloomberg...

CLEAN: Interior shots of Walking With The Wounded Team UK member Duncan Slater putting on his cold weather gear, including shots of his prosthetic legs, and speaking about how the different layers help to keep the wearer warm while...