Tags » Pollution

Can 100% Renewable Energy Power the World

Video (5:24)

An animated TED talk about how to use a power grid to make 100% of energy renewable.

Can a City Run on 100% Renewable Energy?

Video (14:28) 

In 2014 Burlington, Vermont became the first city in the United States to run on 100% Renewable Energy. But how do they actually do it? What’s their secret?

Renewable Energy 101

Video (3:16) 

A National Geographic Video, There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.

How Trees Clean Our Air

Video (5:15) 

Trees and forests are constantly cleaning our air and improving our air quality. They exhale the oxygen we need to breathe, while absorbing carbon dioxide and other air pollution. 22 more words

A NASA study explains how to purify air with houseplants

Video (3:13) 

How do houseplants clean the air? A 1989 NASA study explains exactly how plants remove toxins from air by trapping them in their leaves, soil, and roots, and which houseplants clean air the best.

Clean Air Machine

Video (1:52) 

‘Climeworks’ is a modular system that uses fans to suck in CO2 from the air into a filter in an attempt to reduce carbon emissions in the surrounding area.