How things work: Solar electricity

How things work: Solar electricity

We've all heard about the benefits of solar electricity, but how does it work? This primer aims to shed some light on photovoltaic technology. >>
Carrot-Thumbs

How things work: Food energy

With obesity and diabetes becoming ever more common, it seems many people don’t understand the basics of nutrients and metabolism. Do you? >>
How things work: Environmental satellites

How things work: Environmental satellites

Satellites don't only link the world with phone and television signals, they are also crucial to monitoring the Earth's environment. >>
How things work: Carbon trading

How things work: Carbon trading

The debate around the merits of cap and trade has become intense of late, particularly in the United State >>
Rice, water, power: micro hydroelectricity in Japan

How things work: Micro hydroelectricity in Japan

Local innovations in renewable energy, like micro hydro from rice irrigation, should not be overlooked. >>
How things work: Ecological food systems

How things work: Ecological food systems

The problem when it comes to food is that we don't think of farms an ecosystems, and we don’t design them as such. >>
How things work: Canada’s oil sands

How things work: Canada’s oil sands

Huge tracts of remote forested land are strip-mined to obtain a thick crude oil called bitumen from Canada's oil sands. >>
Ocean energy making waves

How things work: Ocean energy making waves

Ocean power could produce energy enough to cover the world's current electricity consumption, yet the industry is not getting adequate assistance. >>
How things work: Geothermal energy

How things work: Geothermal energy

Harnessing even more geothermal energy would cut fossil fuel use and lower greenhouse gas emission levels. >>