I currently use Mac OS X on a Retina Macbook Pro. Apple is known to be quite a green company, in terms of its hardware and the power required to manufacture, sell, and market it. But I think I can do much better. What would be some much more sustainable computing solutions out there, and/or wha...

I would like to know what is the % of energy produced per year which is renewable energy (including hydropower, biomass, wind, geothermal, solar) : in the United States in the entire world . And also: in the ranking of countries with the greatest proportion of produced energy being renewab...

In the following graph: What is the difference between "hydro" and "tidal/wave"? And what is the difference between "solar (heat)" and "solar panels"?

In the following graph: We see that China surpassed every single country in wind energy production, except the United States. But these statistics are up to 2009 only. So my question is: what about today in 2014? Did China equal or maybe even surpassed the United States?