Seeing a sustainable future - Alex Steffen

Описание к видео Seeing a sustainable future - Alex Steffen

View full lesson: http://ed.ted.com/lessons/alex-steffe...

Worldchanging.com founder Alex Steffen argues that reducing humanity's ecological footprint is especially vital now, as the western consumer lifestyle spreads to developing countries.

Talk by Alex Steffen.

Комментарии

Информация по комментариям в разработке

Похожие видео